Kyle is finding the area of this figure using a rectangle and a triangle. What is the area of the figure?

A) 315 cm2

B) 405 cm2

C) 90 cm2

D) 325 cm2



Kyle is finding the area of this figure using a rectangle and a triangle What is the area of the figureA 315 cm2 B 405 cm2 C 90 cm2 D 325 cm2 class=

Respuesta :

Answer:

B.405 cm2

Step-by-step explanation:

12 times 15 is 315. The area of the rectangle is 315.

The area of the triangle is 90.

Add them and i got 405.

Answer

Area of the figure which is combination of  rectangle and a triangle

  = Area of Rectangle + Area of Triangle

 = Length × Breadth + [tex]=\frac{1}{2}\times Base \times Height[/tex]

 = 21 × 15 + [tex]=\frac{1}{2} \times 15 \times 12[/tex]

= 315 + 90

= 405 cm²

Option (B)