Area of Two-Dimensional Shapes

The base and height of a triangle are each equal to the side lengths of a square. How does the area of the triangle relate to the area of the square? ___

Tags

6.G.A.1

How do you find the area of a trapezoid?

• = ½bh

• = ½h(a + b)

• = πr²

How do you find the area of a circle?

• = ½bh

• = ½h(a + b)

• = πr²

Find the area of the circle.  Use 3.14 for π. Round to the nearest tenth if necessary.
a circle with radius 48 mm

• 7,234.56 mm²

• 2,216.46 mm²

• 7,934.59 mm²

• 7,314.22 mm²

Calculate the area of a parallelogram with a base of 5 meters and a height of 3 meters.

• 8 sq. meters

• 15 sq. meters

• 10 sq. meters

• 20 sq. meters

Find the perimeter of a regular hexagon with each side measuring 7 inches.

• 42 inches

• 35 inches

• 28 inches

• 21 inches

Marco's painting has an area of 320 square inches.  If the width of the painting is 16 inches, what is the length of the painting? 
*** Length= Area/Width

• 24 inches

• 22 inches

• 20 inches

• 26 inches 

Calculate the area of a rhombus with diagonals 10 cm and 8 cm.

The area of a trampoline is 78.5 ft². Find the radius of the trampoline.

• 7 ft

• 5 ft

• 10 ft

• 25 ft