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4 years ago

A right triangle includes one angle that measures 30º. What is the measure of the third angle?

Mathematics

2 answers:

KiRa [710]4 years ago

6 0

Answer:

The answer is C.

Step-by-step explanation:

So to get the answer add 90+30= 120

Then take 180-120=60 (which is your leftover angle)

skelet666 [1.2K]4 years ago

5 0

Answer:

C. 60º

Step-by-step explanation:

A triangle is called a right triangle when one of it's angle measures 90°.

We have been given the second angle as 30°.

The angles in a triangle add up to 180°.

∴ leting the third angle to be X;

X + 30° + 90° = 180°

X + 120° = 180°

X = 180° - 120°

= 60°

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3 years ago

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