Question

ABC
A DEF areas of triangles are 64 am
and 100 om respectively. If EF = 12cm then find BC
​

Answer 1

Step-by-step explanation:

ar (∆)/ar(∆]) = EF sq / BC sq

64 /100 = 12 / bc whole sq

bc × 64 = 100×12

bc × 64 = 1200

bc = 1200/64

bc = 18.75

bc = 18 cm