7. Geometry

Investigation: Formula for area of triangles

7.01 Area of triangles

7.02 Problem solving with triangles

7.03 Area of special quadrilaterals

7.04 Area of composite shapes

Investigation: Area with holes and cutaways

7.05 Nets of solids

Investigation: Surface area with cereal boxes

7.06 Surface area with nets

Investigation: Formula for volume of a rectangular prism

7.07 Volume of rectangular prisms

7.08 Problem solving with volume and surface area

Topic Review: Geometry

United States of America

Grade 6

7.02 Problem solving with triangles

Adaptive

Worksheet

Interactive practice questions

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

Easy

1min

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

Easy

1min

$Patricia$ '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

A clothes hanger, which is approximately in the shape of a triangle, has an area of $70$70 in² and a base length of $14$14 in.

Find the height, $h$h, of the clothes hanger. Enter each line of working as an equation.

Easy

2min

Outcomes

6.G.A.1

Find area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.

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