Triangle def is similar to triangle xyz. what is the value of x?

x = 48 ft

Step-by-step explanation:

Triangle DEF is similar to triangle XYZ

10 x 4 = 40 ft

so

12 x 4 = 48 ft

Answer

x = 48 ft

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

answer: your answer is a