Question

1.) The area of a regular hexagon is 38cm^2. What is the area of a regular hexagon with sides four times as long?

My answer: 608 cm squared. Is that correct?

2.) What is the area of a regular octagon with a side of 8in? Round the answer to the nearest tenth.

My answer: 309.0 inches squared. Is that correct?

3.) Find the area. The figure is not drawn to scale.

Answer 1

Here are the steps I put: 1/2 * 6.9 * 4
6.9 * 4 * ½
Associative property.
6.9 *2 Simplifying.
6*2 +.9*2 Distributing.
12 +1.8 Simplifying.
13.8

Is that correct?

Answer 2

@ganeshie8

Answer 3

@Michele_Laino @Kainui

Answer 4

@welshfella @zepdrix

Answer 5

@nincompoop @amistre64

Answer 6

@abb0t @radar

Answer 7

@Zale101

Answer 8

that is correct for the area of the triangle

Answer 9

Okay.

Answer 10

@welshfella so number 3?

Answer 11

regular octagon with side 8 inches?

Answer 12

thats 8 triangles like