K12worX
Back to Exercise: Find the area of right triangles, other triangles, special quadrilaterals, and polygons

Find the Area of Right Triangles, Other Triangles, Special Quadrilaterals, and Polygons

Show all work. For each shape, identify the base and height before applying the formula. Include square units in all answers.

Grade 6·22 problems·~40 min·Common Core Math - Grade 6·standard·6-g-a-1
Work through problems with immediate feedback
A

Recall / Warm-Up

1.

What is the area of a rectangle with length 8 cm and width 5 cm?

2.

Two lines that meet at a right angle (90°) are called what?

3.

What is the area of a square with a side length of 7 m? Give your answer in m².

B

Fluency Practice

1.

An acute triangle has a base of 10 m and a height of 7 m. What is the area in m²?

Obtuse triangle with base 12 ft, perpendicular height 5 ft shown as a dashed line outside the triangle, and slant side 8 ft labeled.
2.

An obtuse triangle has a base of 12 ft, a perpendicular height of 5 ft (drawn outside the triangle), and a slant side of 8 ft. What is the area of the triangle?

3.

A triangle has a base of 9 in and a height of 4 in. What is the area in in²?

Parallelogram with base 8 cm, perpendicular interior height 5 cm shown as a dashed line, and slant side 7 cm labeled.
4.

A parallelogram has a base of 8 cm, a perpendicular height of 5 cm, and a slant side of 7 cm. What is the area?

5.

A trapezoid has parallel bases of 6 m and 10 m, and a height of 4 m. What is the area in m²?

You're viewing 2 of 6 sections.

Create a free account to continue the full exercise set and save your progress.

Create free account
0 of 8 answered

Answer all problems to submit.