Midsegments, Isosceles and Equilateral Triangles Practice
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a midsegment in a triangle?
Back
A midsegment is a line segment that connects the midpoints of two sides of a triangle. It is parallel to the third side and its length is half the length of that side.
2.
FLASHCARD QUESTION
Front
If BD=16, EA=5 and FC=3, what is the perimeter of ∆ABC?
Back
48
3.
FLASHCARD QUESTION
Front
What is the property of isosceles triangles regarding their angles?
Back
In an isosceles triangle, the angles opposite the equal sides are equal.
4.
FLASHCARD QUESTION
Front
If an isosceles triangle has a base angle measuring 40°, what is the measure of the vertex angle?
Back
100°
5.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
The sum of the interior angles of a triangle is always 180°.
6.
FLASHCARD QUESTION
Front
If triangle ABC is equilateral, what is the measure of each angle?
Back
Each angle in an equilateral triangle measures 60°.
7.
FLASHCARD QUESTION
Front
What is the formula for the perimeter of an equilateral triangle?
Back
The perimeter of an equilateral triangle is P = 3a, where 'a' is the length of one side.
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