Topics
7. Polygons
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United States of AmericaVirginia
Grade 6

7.05 Area of triangles

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Patricia's bedroom has a base of $19$19 ft and height of $21$21 ft and is shaped like the triangle shown below.

Find the area of Patricia's bedroom.

Easy
1min

The faces on a 4-sided die are all triangular. Each face has a base length of $19$19 mm and a perpendicular height of $12$12 mm. What is the area of one face?

Easy
< 1min

Find the value of $b$b if the area of this triangle is $72$72 mm2.

Medium
1min

Find the value of $h$h if the area of this triangle is $48$48 m2.

Medium
1min
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Outcomes

6.MG.2

The student will reason mathematically to solve problems, including those in context, that involve the area and perimeter of triangles, and parallelograms.

6.MG.2a

Develop the formula for determining the area of parallelograms and triangles using pictorial representations and concrete manipulatives (e.g., two-dimensional diagrams, grid paper).

6.MG.2b

Solve problems, including those in context, involving the perimeter and area of triangles, and parallelograms.

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