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Dimensional Changes to Perimeter and Area

Authored by Lawrence Smith

Mathematics

10th Grade

CCSS covered

Used 5+ times

Dimensional Changes to Perimeter and Area
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11 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The perimeter of a rectangle is 38 inches. What is the new perimeter if the length and width are tripled?

38 inches

76 inches

114 inches

351 inches

Tags

CCSS.7.G.A.1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The area of a trapezoid is 512 square feet. What is the new area if the dimension of the trapezoid is reduced by half?

16 cm²

120 cm²

128 cm²

136 cm²

Tags

CCSS.7.G.A.1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The perimeter of a kite is 32 centimeters, and its area is 48 square centimeters. Both diagonals of the kite are enlarged 4 times. Part A: What is the new perimeter of the kite?

32 cm

64 cm

8 cm

128 cm

Tags

CCSS.7.G.A.1

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The perimeter of a kite is 32 centimeters, and its area is 48 square centimeters. Both diagonals of the kite are enlarged 4 times. Part B: What is the new area of the kite?

96 cm²

768 cm²

384 cm²

192 cm²

Tags

CCSS.7.G.A.1

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

The area of a regular polygon is 270 ft². If the apothem is reduced by one third, which TWO statements accurately describe the effects of this change?

A. The change will reduce the area by one third.

B. The change will reduce the perimeter by one third.

C. The change has no effect on the perimeter.

D. The change will reduce the area by one fourth.

E. The change will reduce the area by one ninth.

Tags

CCSS.6.G.A.1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Polygon A is similar to polygon B. If polygon A has an area of 1,088 cm² and polygon B has an area of 68 cm², how many times larger is polygon A than polygon B?

Polygon A is three times larger than polygon B.

Polygon A is nine times larger than polygon B.

Polygon A is four times larger than polygon B.

Polygon A is sixteen times larger than polygon B.

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Similar polygons are ______.

the same shape and size

the same shape but not necessarily the same size

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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