11-1 areas of triangles and parallelograms

Find the PERIMETER of the parallelogram.

• 24 cm

• 143 cm²

• 48 cm

• 33.2 cm

Find the AREA of the parallelogram.

• 202.2 cm²

• 143 cm²

• 101.1 cm²

• 71.5 cm²

Find the PERIMETER of the shaded triangle

• 37.9 ft

• 40 ft

• 41.9 ft

• 43.9 ft

Tags

CCSS.3.MD.D.8

Find the AREA of the shaded triangle.

• 50 ft²

• 40 ft²

• 64 ft²

• 80 ft²

Find the AREA of the parallelogram.

• 99 in.²

• 104.8 in.²

• 171.5 in.²

• 198 in.²

Find the PERIMETER of the shaded triangle

• 9.0 m

• 8.0 m

• 11.1 m

• 11.3 m

Find the AREA of the shaded triangle.

• 3.4 m²

• 4.5 m²

• 5.6 m²

• 6.7 m²

Tags

CCSS.6.G.A.1

The area of an obtuse triangle is 52.9 cm². The base of the triangle is 12.6 cm. What is the height of the triangle?

• 2.1 cm

• 4.2 cm

• 8.4 cm

• 16.8 cm

Tags

CCSS.6.G.A.1

Find the area of a triangle with:
b: 14 cm
h: 23 cm

• 161 cm²

• 161 cm³

• 322 cm²

• 322 cm³

Tags

CCSS.6.G.A.1

How do you find the AREA of a TRIANGLE?

• Length x Width

• 1/2 (base x height)

• 1/3 (base x height)

• Base x Height

Tags

CCSS.6.G.A.1