Find Area of Regular Polygons

Multiple Choice

What is the area of the figure?

• 165 square inches

• 93 square inches

• 37 square inches

• 102 square inches

10.1-10.3 Review Day 2

By Samuel Verrett

Multiple Choice

What is the formula for area of a rectangle/parallelogram?

• $$A\ =\ bh$$  

• $$A\ =\ \frac{1}{2}bh$$  

• $$A=\frac{1}{2}d_1d_2$$  

• $$A=\frac{1}{2}asn$$  

To Find Area of Rectangle/Parallelogram

A = Area of rectangle/parallelogram

b = base

h = height ​

Multiple Choice

What is the formula for area of a triangle?

• $$A\ =\ bh$$  

• $$A\ =\ \frac{1}{2}bh$$  

• $$A=\frac{1}{2}d_1d_2$$  

• $$A=\frac{1}{2}asn$$  

To Find Area of Triangle

A = Area of triangle

b = base

h = perpendicular height ​

Multiple Choice

What is the formula for area of a rhombus/kite?

• $$A\ =\ bh$$  

• $$A\ =\ \frac{1}{2}bh$$  

• $$A=\frac{1}{2}d_1d_2$$  

• $$A=\frac{1}{2}asn$$  

To Find Area of Rhombus/Kite

A = Area of rhombus/kite

d1 and d2 = diagonals

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Multiple Choice

What is the formula for area of a trapezoid?

• $$A\ =\ \frac{1}{2}h\left(b_1+b_2\right)$$  

• $$A\ =\ \frac{1}{2}bh$$  

• $$A=\frac{1}{2}d_1d_2$$  

• $$A=\frac{1}{2}asn$$  

To Find Area of Trapezoid

A = Area of trapezoid

b1 and b2 = bases (parallel sides)

h = perpendicular height ​

Multiple Choice

What is the formula for area of a regular polygon?

• $$A\ =\ bh$$  

• $$A\ =\ \frac{1}{2}bh$$  

• $$A=\frac{1}{2}d_1d_2$$  

• $$A=\frac{1}{2}asn$$  

To Find Area of Regular Polygon

A = Area of triangle

a = apothem

s = side length

n = number of sides ​

(perimeter = sn)​