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17 May, 23:04

A triangle has angel measurements of 78°, 90°, and 12°. what kind of triangle is it?

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Answers (2)
  1. 18 May, 00:14
    0
    Right-angled triangle.

    Step-by-step explanation:

    Right-angled triangles have one angle measuring 90° and two other complementary angles (i. e angles that add up to 90°).
  2. 18 May, 01:50
    0
    Right triangle

    Step-by-step explanation:

    One of the angles of the triangle is equal to 90 degrees. A 90 degree angle is a right angle. That makes it a right triangle.
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