Special Right Triangles Mixed
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of special triangle has angles of 45°-45°-90°?
Back
45°-45°-90° triangle is an isosceles right triangle where the legs are equal in length and the hypotenuse is √2 times the length of a leg.
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What is the relationship between the sides of a 30°-60°-90° triangle?
Back
In a 30°-60°-90° triangle, the lengths of the sides are in the ratio 1:√3:2, where the side opposite the 30° angle is the shortest.
Tags
CCSS.HSG.CO.C.10
3.
FLASHCARD QUESTION
Front
Find the length of the hypotenuse in a 45°-45°-90° triangle if each leg is 6.
Back
The hypotenuse is 6√2.
Tags
CCSS.8.G.B.8
4.
FLASHCARD QUESTION
Front
What is the value of x in a 30°-60°-90° triangle if the shorter leg is 4?
Back
x = 4√3 (the longer leg) and the hypotenuse is 8.
Tags
CCSS.8.G.B.8
5.
FLASHCARD QUESTION
Front
What type of triangle is formed by angles of 30°, 60°, and 90°?
Back
30°-60°-90° triangle.
Tags
CCSS.4.G.A.2
6.
FLASHCARD QUESTION
Front
In a 45°-45°-90° triangle, if one leg is 5, what is the length of the hypotenuse?
Back
The hypotenuse is 5√2.
Tags
CCSS.8.G.B.8
7.
FLASHCARD QUESTION
Front
What is the measure of the angles in an equilateral triangle?
Back
Each angle in an equilateral triangle measures 60°.
Tags
CCSS.8.G.A.5
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