Missing Dimensions Area

Find the Surface area of the shape?

• 258 m²

• 268 m²

• 248 m²

• 278 m²

Faye was cutting out some fabric for a friend. She cut a piece that was 3 centimeters wide and had an area of 24 cm². How long was the piece?

• 8 cm

• 4 cm

• 10 cm

• 15 cm

Joanna made a blanket that has an area of 100 square inches. The length and width are whole numbers. The width is 4 times greater than the length. What are the length and width?

• l = 25, w = 4

• l = 20, w = 5

• l = 10, w = 10

• l = 24, w = 6

Write the equation to solve for the Area of a Parallelogram. Then use it to find the missing dimension. 

• 6cm

• 7cm

• 4cm

• 5cm

Write the equation to solve for the Area of a Trapezoid. Then use it to find the missing dimension. 

• 4ft

• 5ft

• 6ft

• 7ft

Leia cuts congruent triangular patches with an area of 36 centimeters from a rectangular piece of fabric with a length of 14 centimeters and a width of 18 centimeters. How many triangles can Leia cut from 24 pieces of the fabric?

• 168

• 154

• 160

• 170

What is the height of a parallelogram with a base of 2.5 and an area of 45

• 22.2

• 18

• 12.5

• 16

• 9

Find the Area of this Irregular figure.

• 122.5

  sq. units

• 105.67

  sq. units

• 93.77

  sq. units

• 154.55

  sq. units

• 105.87

  sq. units

Find the base of a triangle given the area and height.

A = 45 and h = 12

• 7.5

• 3.75

• 1.875

• 4.62

• none of these

A hexagon is deperated into 6 equilateral triangles. The apothem of the polygon is 2.77 cm. and the length of one side of the polygon is 3.2 cm. What is the Area of the polgon ?

• 26.6

  cm. sq.

• 4.432

  cm. sq.

• 9.34

  cm. sq.

• 10.97

  cm. sq.

• 17.09

  cm. sq.