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Equilateral and Isosceles Flashcard 2

Equilateral and Isosceles Flashcard 2

Assessment

Flashcard

Mathematics

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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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 are equal, each measuring 60 degrees.

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.

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.

4.

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.

5.

FLASHCARD QUESTION

Front

If two angles of a triangle are 30 degrees and 60 degrees, what is the measure of the third angle?

Back

The third angle is 90 degrees, since 30 + 60 + 90 = 180.

6.

FLASHCARD QUESTION

Front

What is the relationship between the sides and angles in a triangle?

Back

In a triangle, the largest angle is opposite the longest side, and the smallest angle is opposite the shortest side.

7.

FLASHCARD QUESTION

Front

How do you calculate the height of an equilateral triangle?

Back

The height (h) of an equilateral triangle with side length (a) can be calculated using the formula: h = (√3/2) * a.

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