Q35
The lengths of two sides of a parallelogram are 3 cm and 10 cm. What is the sum of the squares of the diagonals of the parallelogram?
A.
218 cm2
AnswerB.
109 cm2
C.
169 cm2
D.
206 cm2
Answer: Option A
Solution
Answer: Option A
Solution:
AC2 + BD2 = 2(AB2 + BC2)
AC2 + BD2 = 2(102 + 32) = 218