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What is the area of this polygon?
A = 400 cm²

A = 338 cm²

A = 316 cm²

A = 238 cm²

What Is The Area Of This Polygon A 400 Cm A 338 Cm A 316 Cm A 238 Cm class=

Sagot :

Akposevictoridn

The area of the polygon is the sum of the area of rectangle + area of triangle = 316 cm². (Option C)

Area of Polygon

The polygon is composed of a triangle and a rectangle.

Area of the polygon = Area of Triangle + Area of Rectangle

Area of Rectangle = length × width

Length = 21 cm

Width = 14 cm

Area of rectangle = 21 × 14 = 294 cm²

Area of Triangle = 1/2(base × height)

Base = 21 - 10 = 11 cm

Height = 18 - 14 = 4 cm

Area = 1/2(11 × 4) = 22 cm²

Therefore:

Area of Polygon = 294 + 22 = 316 cm².

Learn ore about the area of polygon on:

https://brainly.com/question/8409681

Answer:

316

Step-by-step explanation:

is the only one i got right

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