contestada

In the rectangle shown below, EC =
3. What is the area of the shaded region?


A. 20
B. 16
C.12
D. 10
E. 8

In the rectangle shown below EC 3 What is the area of the shaded region A 20 B 16 C12 D 10 E 8 class=

Respuesta :

solime
Answer is D. 10

First, find the missing horizontal length of the triangle.

8 - 3 = 5

Afterwards, find the area of the triangle.

(lengthxwidth)2/2= triangle area
(5x4)/2 = 10