
Lesson 12A Equilateral and Isosceles Triangles Practice
Flashcard
•
Mathematics
•
6th - 12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an equilateral triangle?
Back
An equilateral triangle is a triangle in which all three sides are of equal length and all three angles measure 60 degrees.
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What is an isosceles triangle?
Back
An isosceles triangle is a triangle that has at least two sides of equal length and the angles opposite those sides are equal.
Tags
CCSS.4.G.A.2
3.
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 degrees.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
If one angle of an isosceles triangle measures 40 degrees, what are the measures of the other two angles?
Back
The other two angles each measure 70 degrees.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
What do the angles in an equilateral triangle measure?
Back
Each angle in an equilateral triangle measures 60 degrees.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
What is the base of a triangle?
Back
The base of a triangle is any one of its sides, often referred to when calculating the area.
7.
FLASHCARD QUESTION
Front
How do you find the area of a triangle?
Back
The area of a triangle can be found using the formula: Area = 1/2 * base * height.
Tags
CCSS.6.G.A.1
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