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Calculating Perimeter of Polygons

Calculating Perimeter of Polygons

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to calculate the perimeter of a polygon with missing sides. The teacher guides students through identifying given and missing sides, assuming right angles, and using known measurements to find the total perimeter. The process involves summing the known sides and deducing the lengths of missing sides based on the total length of opposite sides. The final perimeter is calculated to be 80 feet. The teacher concludes with encouragement for students to study hard for their upcoming test.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main challenge in finding the perimeter of the given polygon?

The polygon has no sides.

All sides are given.

The angles are not right angles.

Some sides are missing.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sides of the polygon are initially given?

One side

Two sides

Four sides

Three sides

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What assumption is made about the angles of the polygon?

All angles are 90 degrees.

All angles are 120 degrees.

All angles are 60 degrees.

All angles are 45 degrees.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the given side lengths of the polygon?

25 feet, 10 feet, 5 feet

20 feet, 12 feet, 8 feet

30 feet, 20 feet, 10 feet

10 feet, 15 feet, 5 feet

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the names given to the missing sides in the explanation?

m, n, o

a, b, c, d, e

p, q, r

x, y, z

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of sides a and b?

10 feet

15 feet

20 feet

25 feet

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total length from bottom to top of the polygon?

25 feet

20 feet

15 feet

10 feet

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