A. Convex
B. Concave
C. Concavo-convex
D. Plain
Submitted by: ABDUL HAYEE
Correct Answer: Concave ✔
Last Updated: December 01, 2018
A. Convex
B. Concave
C. Concavo-convex
D. Plain
Submitted by: ABDUL HAYEE
Correct Answer: Concave ✔
Last Updated: December 01, 2018