Question

Anna needs to find the area of a figure that can be separated into a square and a triangle. The base of the triangle is 18 cm, and its height is 10 cm. The length of the side of the square is equal to the base of the triangle. Which expression can Anna use to find the area of the figure?

Answer 1

the answer is below

Explanation:

da answer C

Answer 2

Area of triangle=1/2bh

18×10=180
180÷2=90

Area of square=l×w

18×18=324

324+90=414

(18×10)÷2+(18×18)