Area and Perimeter and Circumference of Rectangles, Triangles, Trapezoids and Circles

The definition of circumference is

• distance from the center of any point on the circle

• distance from one point to another

• distance around the circle

• distance from the center of any point on the circle

Find the area.

• 40 in²

• 40

• 40 in

• 4 in²

Tags

CCSS.6.G.A.1

Area is...

• the distance around an object

• the amount of space in a figure

• rectangles, parallelograms, triangles, trapezoids, circles

• volume

Find the area of this shape

• 325 cm²

• 300 cm²

• 250 cm²

• 600 cm

Tags

CCSS.6.G.A.1

The radius is....

• a line that crosses through the center and touches each edge 

• the center point of a circle 

• a line from the center point to the edge of the circle

• an element in science

A rectangle and a similar rectangle have side lengths in the ratio 2:3. If the perimeter of the smaller rectangle is 20 cm, what is the perimeter of the larger rectangle?

• 25 cm

• 30 cm

• 35 cm

• 40 cm

Two similar trapezoids have heights in the ratio 3:4. If the height of the smaller trapezoid is 9 cm, what is the height of the larger trapezoid?

• 10 cm

• 12 cm

• 15 cm

• 18 cm

Two similar circles have radii in the ratio 4:5. If the circumference of the smaller circle is 16π cm, what is the circumference of the larger circle?

• 20π cm

• 25π cm

• 30π cm

• 40π cm

Tags

CCSS.7.G.B.4

Two similar rectangles have areas in the ratio 4:9. If the area of the larger rectangle is 81 cm², what is the area of the smaller rectangle?

• 16 cm²

• 27 cm²

• 36 cm²

• 45 cm²

What is the area of this circle?

• 62.59

• 113.1

• 19.81

• 28.27

Tags

CCSS.7.G.B.4