Grade 6, Mod 5, Area of Parallelograms, Rectangles, Triangles & Composite Figures (EXTENDS)

Look at the right triangle above. Name a corresponding height for base d.

Look at the right triangle above. Name a corresponding height for e

Look at the right triangle above. Name a corresponding height for f

The polygon above is an octagon. Use decomposition to find the area.

_______ square inches

Lin found the area of a regular hexagon with 6-inch sides. Lin decomposed the hexagon into six identical triangles. Find the area of the hexagon using Lin's method.

_______ square inches

Find the area of the quadrilateral above using decomposition.

___________ square units

Find the area of the blue triangle above.

Hint: You may need to use △RQM, △QPO and △MON to help!

___________ square units

Look at the polygon above. What is its area?

________ square units

Look at the polygon above. What is its area?

________ square inches

A classroom has a length of 30 ft. and a width of 20 ft. The flooring is to be replaced by tiles. Each tile has a length of 36 in. and a width of 24 in. How much money will it cost to replace the tiles if each tile is $2.34?

_______ dollars