Isosceles Triangle Practice
Question 1
Which of the following triangles are isosceles triangles?
Answer
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Step by Step Solution
Step 1
For triangle I, it has two sides of
equal length (8.0ft). Hence, it is an isosceles triangle.
Step 2
As for triangle II, it is an isosceles
triangle since its base angles are the same.
Step 3
As for triangle III, all the sides have
different lengths. Therefore, it is
not an isosceles triangle.
Step 4
For triangle IV, all the internal angles
are different. This means that all the
sides of the triangle do not have the
same length.
Hence, this is
not an isosceles triangle.
Step 5
Clearly, only triangle I and II
are isosceles triangles. Therefore, the answer is
A.
To close the steps,
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