Question

The triangles are similar. The area of the larger triangle is 270 square centimeters. What is the area of the smaller triangle?

A. 7.5cm^2


B. 9cm^2


C. 12.5cm^2


D. 45cm^2

Answer 1

The smaller triangle is 1/6 the size of the large one ( 5/30 = 1/

Area is squared 1/6 ^2 = 1/36

Multiply the area of the large triangle by 1/36:

270 x 1/36 = 270 /36 = 7.5

The area is 7.5 cm^2

The answer is A.