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10 votes
10 votes
A triangle has one 42° angle and two 69° angles. Is this triangle scalene?

User Dave Bettin
by
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1 Answer

14 votes
14 votes

Explanation:

It is not a scalene triangle

because the third angle is 69⁰

Explanation: 180-(69+42)

180-111

69

User Peter Wessberg
by
3.0k points