Area and Perimeter Area and Perimeter

By: Angel and Veronica By: Angel and Veronica

Veronica had a whiteboard. It measured Veronica had a whiteboard. It measured 25 cm by 33 cm. If she drew a border 25 cm by 33 cm. If she drew a border around it, what would the total length of around it, what would the total length of the border be?the border be?

25 cm

33 cm.

Explanation Explanation

First, you figure out if it’s a First, you figure out if it’s a area or perimeter question.area or perimeter question.

This question is a This question is a perimeter question perimeter question ( Hint: border)( Hint: border)

You add all the sides You add all the sides together to find the together to find the perimeter.perimeter.

The answer is 115 10/10 The answer is 115 10/10 cm. cm.

Angel had a shelf divider. It was base was 25 cm. Angel had a shelf divider. It was base was 25 cm. long, and it’s height was 26 cm. long. If she want to long, and it’s height was 26 cm. long. If she want to fill in the shelf divider, how much would she need ?fill in the shelf divider, how much would she need ?

26 cm.

25 cm.

Explanation Explanation

First, you figure out if it First, you figure out if it is area or perimeter.is area or perimeter.

In this case it is area.In this case it is area. For finding the area of For finding the area of

a triangle you take its a triangle you take its base times its height base times its height and multiply it by 1\2 or and multiply it by 1\2 or divide it by 2.divide it by 2.

The answer is 324.9 The answer is 324.9 cm.cm.2 2

Morgan wanted to cover her computer. The computer Morgan wanted to cover her computer. The computer was 33 cm. by 33 cm. How much of a cover does she was 33 cm. by 33 cm. How much of a cover does she need?need?

33 cm.

33 cm.

ExplanationExplanation

This problem is an This problem is an area problem.area problem.

To find the area of a To find the area of a square, you take one square, you take one of the sides and of the sides and square it.square it.

The answer is 1,089 The answer is 1,089 cm.cm.22

The library had a Kansas poster. It The library had a Kansas poster. It was 58 cm. by 32 cm. If they was 58 cm. by 32 cm. If they wanted to cover it up with cloth, wanted to cover it up with cloth, how much would they need?how much would they need?

58cm

32cm

ExplanationExplanation

This is an area This is an area problem.problem.

To find the area of a To find the area of a rectangle you multiply rectangle you multiply the length by the width.the length by the width.

The answer is 1,856 The answer is 1,856 cm.cm.22

The library had another poster. It The library had another poster. It was 91cm. by 65 cm. If they was 91cm. by 65 cm. If they wanted to put a border on it how wanted to put a border on it how long would it be?long would it be?

ExplanationExplanation

This is a perimeter This is a perimeter problem.problem.

To find the perimeter To find the perimeter you add all the sides.you add all the sides.

The answer is 312 cm.The answer is 312 cm.

Finished!Finished!

Hope you liked it and learned a lot and had Hope you liked it and learned a lot and had a good time! Bye!a good time! Bye!