12. Which triangle has a right angle?
A. equilateral triangle C. right triangle
B. scalene triangle
D. obtuse triangle
A. equilateral triangle C. right triangle
B. scalene triangle
D. obtuse triangle
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Answer:
12. C
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Answer:
C right triangle
Explanation:
A right triangle (American English) or right-angled triangle (British) is a triangle in which one angle is a right angle (that is, a 90-degree angle). The relation between the sides and angles of a right triangle is the basis for trigonometry.
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