Solve Area Problems

The height of the rectangular prism measures 64 cm. If the height is increased by 1.5​ cm, by how much will the surface area of the box​ increase?

• 231 cm²

• 241 cm²

• 251 cm²

• 261 cm²

Tags

CCSS.7.G.B.6

You want to put shingles on the outside walls and solar panel the roof of the barn shown. It costs ​$2.50 for each square meter of shingles. Solar panels cost ​$4.00 per square meter. How much will this project​ cost?

• $925

• $950

• $975

• $1000

Find the surface area of the regular hexagonal prism.

• 1218.2 in²

• 1222.2 in²

• 1236.2 in²

• 1242.2 in²

Tags

CCSS.7.G.B.6

How many times greater is the area of Circle 1 than the area of Circle 2​? 

• 9

• 3

• 13.5

• 12

Tags

CCSS.7.G.B.4

The area of a circular window is 113.04 square inches. What is the diameter of the​ window? Use 3.14 for π.

• 12

• 72

• 6

• 226

Tags

CCSS.7.G.B.4

A certain coin is a circle with diameter 18 mm. What is the exact area of either face of the​ coin?

Tags

CCSS.7.G.B.4

The radius of a circular sign is 12 inches. Equal parts of the sign are painted red and yellow. How many square inches are painted each​ color? Use 3.14 for π.

A water sprinkler sends water out in a circular pattern. What area will be watered if the radius of the spray from the sprinkler is 18​ ft?

• 324

• 1017

• 254

• 113

Tags

CCSS.7.G.B.4

The diameter of Circle J is 18 cm. The diameter of Circle K is 31 cm. Which circle has the greater area and by how​ much?

• The area of Circle K is about 2000 cm2 greater than the area of Circle J.

• The area of Circle K is about 500 cm2 greater than the area of Circle J.

• The area of Circle J is about 2000 cm2 greater than the area of Circle K.

• The area of Circle J is about 500 cm2 greater than the area of Circle K.

Tags

CCSS.7.G.B.4

You just finished planting​ avocados, carrots,​ radishes, tomatoes, and spinach in her new garden. The garden is a circle whose diameter is 50 yards. If you planted equal regions of each​ vegetable, what is the area of your garden has carrots​?

Tags

CCSS.HSG.C.B.5