
Isosceles and Equilateral Triangles
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
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15 questions
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1.
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
2.
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 are equal, each measuring 60 degrees.
Tags
CCSS.4.G.A.2
3.
FLASHCARD QUESTION
Front
How do you find the measure of an angle in an isosceles triangle?
Back
In an isosceles triangle, the angles opposite the equal sides are equal. If you know one angle, you can find the others using the fact that the sum of angles in a triangle is 180 degrees.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
What is the relationship between the angles in an equilateral triangle?
Back
In an equilateral triangle, all three angles are equal, and each measures 60 degrees.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
How do you calculate the height of an isosceles triangle?
Back
The height can be calculated using the Pythagorean theorem. If 'b' is the base and 'a' is the length of the equal sides, the height 'h' can be found using h = √(a² - (b/2)²).
Tags
CCSS.6.G.A.1
6.
FLASHCARD QUESTION
Front
What is the formula for the area of a triangle?
Back
The area of a triangle can be calculated using the formula: Area = 1/2 * base * height.
Tags
CCSS.6.G.A.1
7.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
The sum of the interior angles of any triangle is always 180 degrees.
Tags
CCSS.8.G.A.5
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