WorksheetsLesson 2, Session 4: Refine
Total questions: 10
Worksheet time: 19mins
Find the area of the polygon.
13 cm²
Find the area of the triangle.
Each grid square represents 1 cm2. What is the area of the polygon? Show your work.
20 cm²
25 cm²
28 cm²
23 cm²
The carpet in a school library needs to be replaced. The dimensions of the library floor are shown. Each square foot of new carpet costs $1.25. What is the total cost of the new carpet for the library?
$3,052
$3,815
$4,970
$5,145
The carpet in a school library needs to be replaced. The dimensions of the library floor are shown. Each square foot of new carpet costs $1.25. What is the total cost of the new carpet for the library?
Vinh chose A as the correct answer. How might he have gotten that answer?
A rancher has a field in the shape of the polygon shown. The rancher plans to keep one sheep in the field for every 2,000 m2. Based on this plan, how many sheep can the rancher keep in the field? Show your work.
18
What is the difference between the area of Figure A and the area of Figure B? Each grid square represents 1 square foot.
2 ft2
4 ft2
8 ft2
10 ft2
The height of the triangle is 12 cm greater than the base of the triangle, b. What is the area of the triangle? Show your work.
270 ft2
18 ft2
1,260 ft2
72 ft2
Seth is making panes for a stained-glass window. He makes a triangular pane shaped like the triangle shown. Which of these rectangular panes has the same area as the triangular pane? Select all that apply.
a 12-cm by 7-cm rectangle
a 15-cm by 7-cm rectangle
a 21-cm by 4-cm rectangle
a 21-cm by 8-cm rectangle
a 28-cm by 6-cm rectangle
Charlie makes a rectangular flag in his school colors. One section of the flag is a triangle. Charlie says the area of the triangle is 2416 of the area of the flag. Do you agree? Explain.
