Question

Two prisms are similar and their ratio of similarity is 2:5.

Find the area of a base of the larger prism if the area of a base of the smaller prism is 31 square units.

Round to the nearest hundredth.

help fast please

Answer 1

Answer:

77.5 square units

Step-by-step explanation:

set up a proportion first.

$\frac{2}{5} = \frac{31}{x}$

then, cross multiply

2x = 155

divide by 2

x = 77.5