What is an acute angle?
SBAC Test- Geometry Review

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•
Mathematics
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
An acute angle is an angle that measures less than 90 degrees.
2.
FLASHCARD QUESTION
Front
What is an obtuse angle?
Back
An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.
3.
FLASHCARD QUESTION
Front
What are complementary angles?
Back
Complementary angles are two angles whose measures add up to 90 degrees.
4.
FLASHCARD QUESTION
Front
What is a right angle?
Back
A right angle is an angle that measures exactly 90 degrees.
5.
FLASHCARD QUESTION
Front
In a quadrilateral, if two angles are equal and the third angle is equal to their sum, what can be said about the fourth angle?
Back
The fourth angle is twice the sum of the other three angles.
6.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
The circumference (C) of a circle is given by the formula C = 2πr, where r is the radius.
7.
FLASHCARD QUESTION
Front
How do you find the radius of a circle if the circumference is known?
Back
To find the radius, use the formula r = C / (2π), where C is the circumference.
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