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Triangles - Unit 2 Lesson 3
By Tom Kurtz
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Last updated over 4 years ago
12 questions
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Question 1
1.
To find the area you could use...
Click on
ALL
that apply.
Area = (base times height) divided by 2
Area = one half times (base times height)
Area = base times height
Question 2
2.
Why is the formula of a triangle the same as the formula for a rectangle except you have to divide by 2?
Rectangles are bigger than triangles.
Rectangles have 4 sides and triangles only have 3 sides.
Triangles are half the size of rectangles.
Triangles have no 90ยบ angles and rectangles do.
Question 3
3.
What is the area of this triangle?
Make sure to label.
Question 4
4.
What is the area of this triangle?
Make sure to label.
Question 5
5.
What is the area of this triangle?
Make sure to label.
Question 6
6.
What is the area of this triangle?
Make sure to label.
Question 7
7.
Below is a picture of a two person tent. The entrance is a triangle.
What is the
area
of the triangular entrance to the tent?
Make sure to label.
Question 8
8.
Below is a picture of a two person tent. The entrance
AND
the back is a triangle.
What is the
area
of the triangular entrance and the back of the tent combined?
Make sure to label.
Question 9
9.
The length of this pennant is 75 cm.
The base of the trianlge, which is the side with the black line, is 30 cm.
What is the area of the pennant?
Question 10
10.
Make sure to label.
Question 11
11.
Question 12
12.
Below is a rug that is
2,500 square inches
.
You don't know the length or the width of the rug.
If you wanted to cut the rug from corner to corner into a triangle, how could you find the area of the triangle?
What would it be?
