Changing Dimensions

Describe the effect of the change on the area of the given figure: The height of a  triangle is multiplied by 6. 

• The area is multiplied by 6
• The area is multiplied by 3
• The area is multiplied by 36
• The area is multiplied by 60

Describe the effect of the change on the area of the given figure: The base and height of a triangle with base 1.5 m and height 6 m are both tripled.

• The area is multiplied by 9
• The area is multiplied by 3
• The area is multiplied by 36
• The area is multiplied by 27

Describe the effect of the change on the area of the given figure: The base of a triangle with vertices A(2, 3), B(5, 2), and C(5, 4) is doubled.

• The area is multiplied by 2
• The area is multiplied by 3
• The area is multiplied by 4
• The area is multiplied by 1/2

The height of the rectangle is tripled. Describe the effect on the area.

• The area is multiplied by 6
• The area is multiplied by 3
• The area is multiplied by 36
• The area is multiplied by 60

Tags

CCSS.7.G.A.1

The height of the rectangle is tripled and the width is doubled. Describe the effect on the area.

• The area is doubled.
• The area is tripled.
• The area is 6 times greater.
• The area is 9 times greater.

Describe the effect of the change on the perimeter of the given figures. The base and height of a rectangle with base 4 ft and height 5 ft are both doubled.

• The perimeter is doubled.
• The perimeter is quadrupled.
• The perimeter is two more.
• The perimeter is four more.

Tags

CCSS.7.G.A.1

Describe the effect of the change on the area of the given figures. The base and height of a rectangle with base 4 ft and height 5 ft are both tripled.

• The area is doubled.
• The area is quadrupled.
• The area is 9 times greater.
• The area is 6 times greater.

Tags

CCSS.7.G.A.1

Describe the effect of the change on the area of the given figures. The base and height of a rectangle with base 4 ft and height 5 ft are both doubled.

• The area is doubled.
• The area is quadrupled.
• The area is 9 times greater.
• The area is 6 times greater.

Tags

CCSS.7.G.A.1

A circle has a circumference of 32pi in. If the area is multiplied by 25, what happened to the radius? 

• multiplied by 5
• multiplied by 2
• multiplied by 10
• multiplied by 1/5

Tags

CCSS.7.G.B.4

A circle has a circumference of 32pi in. If the area is multiplied by 4, what happened to the radius? 

• multiplied by 4
• multiplied by 2
• multiplied by 16
• multiplied by 8