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42 votes
42 votes
A triangle has angles measuring 35° and 90°. What is the measure of the third angle?

User Szemian
by
2.8k points

1 Answer

28 votes
28 votes

Answer:

55 degrees

Explanation:

All the angles of a triangle should add up to 180 degrees.

So, if you add angles 1 and 2 together and subtract them from 180 it will result in the unknown angle.

35+ 90 + x = 180

125 + x = 180

x = 55

User Abraham Brookes
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2.5k points