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Math – Homework Cover #28
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Math Homework 28 due September 26.
Classify Triangles by Their Sides and Angles
We did some exercises on triangles in class;
however, you need to reinforce it at home. It is mandatory to use your pencil and a cm ruler to draw different
types of triangles, classify and find their area. Then answer the questions
that follow.
First, draw an equilateral triangle with a perimeter of 60 cm. The base of
this triangle must be 20 cm. Why is this triangle called “equilateral triangle”? What is its area?
Second, draw an isosceles triangle with a perimeter of 70 cm. The base of this
triangle must be 30 cm. Why is this triangle called “isosceles
triangle”? What is its area?
Third, draw a scalene triangle. One side of this triangle must be 18cm, and
another side must be 26cm. The third side should be 30cm long. Why is this
triangle called “scalene triangle”? What is
its perimeter?
If you need
any help to remember what we had in class, please see the images below. Do
your very best!
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