Areas and Perimeters

The area of triangle A is 54 and triangle B is 150. What is the scale factor of A to B? 

• 9:25

• 27:75

• 3:5

• 25:9

Tags

CCSS.7.G.A.1

Find the missing perimeter.

• 15

• 20

• 25

• 30

What is the area ratio of the following rectangles?

• 10/7

• 100/49

• 100/36

• 4/36

Tags

CCSS.7.G.A.1

Find the area of this parallelogram.

Tags

CCSS.6.G.A.1

Which of the following is the formula to find the area of a parallelogram?

• side x side

• base x height

• 1/2 abSinC

• 2 π r

Tags

CCSS.6.G.A.1

What is the area of the figure on the left?

Tags

CCSS.6.G.A.1

Find the area of a trapezoid with bases 12cm and 18cm and height 10cm.

• 120cm

• 150cm

• 180cm

• 210cm

Tags

CCSS.6.G.A.1

What is the ratio (smaller to larger) of the perimeters?

• 1:3

• 1:2

• 2:3

• 2:9

What is the ratio (smaller to larger) of the areas?

• 2:3

• 4:6

• 4:9

• 16:9

Find the area of the larger figure to the nearest whole number.