14
Q:
A) 50 | B) 60 |
C) 70 | D) 80 |
Answer: B) 60
Explanation:
Explanation:
length of the diagonal = 52 x (15/60) =13m
sum of length and breadth = 68 x (15/60) = 17m
area =lb = 1/2[(2lb)] = 1/2[(l+b)² - (l²+b²)] = 1/2[17² -169]
=1/2 x 120 = 60 sq.m