A. 2R cm2
B. R2 cm2
C. 1/2 R2 cm2
D. 2 R2 cm2
Explanation:
Area of the largest triangle =(1/2 x 2r x r) Sq.cm =r2 Sq.cm
Correct Answer: B. R2 cm2 ✔
Last Updated: February 07, 2020
Related MCQs
- The Total cost of flooring a room at Rs.8.50 per square meter is Rs.510. If the length of the room is 8km it’s breadth is__________?
- The length of a rectangular increased by 10% and it;s breadth is decreased by 10 %. Then the area of the new rectangle is_________?
- Total area of the 64 small squares of aches board is 400cm2. There is 3cm wide border around the chess board. What is the length of each side of the chess board?
- A path of uniform width turns the inside of a rectangular field 38m long and 32m wide. IF the path occupies 600 m2 than the width of the path is_______?
- How many meters of carpet 63cm will be required to be a floor of a room 14m by 9cm?
- A rectangular measure 8cm on length and it’s diagonals measures 10cm what is the perimeter of the rectangular?
- The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m?
- A rectangular courtyard 3.78min long and 5.25m broad is to be paved exactly with square tiles all of the same size. The minimum number of such tiles is_________?
- A room is 12 ¼ m long and 7w wide. The maximum length of a square tile to fill the floor of the room with whole number of it’s tiles should be_________?
- A rectangular carpet has an area of 120 square meters and a parameter of 46m. The length of it’s diagonals is_________?
- The Ratio of the length and breadth of a plot is 3:2 .If the breadth is 40m less than the what is the parameter of the plot?
- The length of a rectangular plot is 4 ½ times that of its breadth. IF the area of the plot is 200 square meters, then what is it’s length?
- A rectangular carpet has an area of 60 sq.m its diagonal and longer side together equal 5 times the shorter side. The length of the carpet is:_________?
- A rectangular carpet has an area of 120 sq.m and a perimeter of 46 m. The length of its diagonal is:_________?
- parallelogram has sides 60 m and 40 m and one of its diagonals is 80 m long then its area is:__________?
- If a square and a rhombus stand on the same base then the ratio of the areas of the squares and the rhombus is:_________?
- In a rhombus whose area is 144 sq.cm on of its diagonals is twice as long as the other. The lengths of its diagonals are:_________?
- The length of a rope by which a cow must be tethered in order that she may be able to graze an area of 9856 sq.m is:________?
- The circumferences of two concentric circles are 176 m and 132 cm respectively. What is the difference between their radii?
- The diameter of a circle is 105 cm less than the circumference what is the diameter of the circle?
- The number of rounds that a wheel of diameter 7/11 m will make in going 4 km is:_________?
- A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:_________?
- If the diameter of a circle is increased by 100 % its area is increased by:_________?
- If the radius of a circle be reduced by 50% its area is reduced by:_________?
- If the circumference of a circle is 352 meters then its area in Sq.m is:________?
- Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is:________?
- If the diagonal of a square is doubled. How does the area of the square change?
- If the base of rectangle is increased by 10 % and the area is unchanged then the corresponding altitude must be decreased by:________?
- The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is_________?
- A rectangle has 15 cm as its length and 159 cm2 as its area. Its area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:_________?
- The length of a rectangular room is 4 meters. If it can be partitioned into two equal square rooms. What is the length of each partition in meters:________?
- The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:________?
- A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cast of flooring the verandah at the rate of Rs 3.50 per sq. Meter is__________?
- If the ratio of the areas of two squares is 9:1 ratio of their perimeters is_________?
- The length of a rectangle is increased by 60 %. By what percent would the width have to be decreased to maintain the same area?
- The area of a rectangle is thrice that of a square. The length of the rectangle is 40 cm and the breadth of the rectangle is (3/2) times of the square. The side of the square in cm is__________?
- The length of a hall is (4/3) times its breadth. If the area of the hall be 300 square meters the difference between the length and breadth is__________?
- If the side of a square is increased by 25 % then how much percent does it’s area get increased:
- The ratio between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length. The perimeter of the field is_________?
- The length and breadth of a rectangular piece of land are in the ratio of 5:3. The owner spent Rs 3000 for surroundings it from are the sides at Rs 7.50 per meter. The difference between is length and breadth is_________?
- The length and breadth of play ground are 36 m and 21 m respectively. Flag staffs are required to be fixed on all along the boundary at a distance of 3 m part. The number of flag staffs will be__________?
- The Length of a plot is four times is breadth. A playground measuring 1200 square meters occupies a third of the total area of the plot. What is the length of the plot in meters?
- If the length of diagonal AC of a square ABCD is 5.2 cm then area of the square ABCD is_________?
- In a Circle of Radius 5 cm if AB and AC are two equal chords of length 6cm each, then the length of chord BC is__________?
- A big rectangular plot of area 4320 Sq.m is divided into 3 square shaped smaller plots by fencing parallel to the smaller side of the plot. However, some area of land was still left as a square plot could not be formed. So 3 more square shaped plots were formed by fencing parallel to the longer side of the original plot. Such that no area of the plot was left a surplus. What are the dimensions of the original plot?
- Which one of the following has a greater perimeter than the rest?
- The area of sector of a circle whose radius is 12 metro and whose angle at the center is 42° is?
- The area of a sector of a circle of radius 5 cm formed by an arc of length 3.5 cm is__________?
- A paper is in a square form whose one side is 20 cm. Two semi circles are drawn on its opposites as diameters. If these semi circles are cut down what is the area of the remaining paper?
- A circular path of 13 m radius has marginal walk 2 m wide all round it. Find the cost of leveling the walk at 25p per m2?
- The perimeter of a semi circle is 144 cm then the radius is_________?