3 years ago

Two angle measures in a triangle are 42° and 39°. What type of triangle is it?

Mathematics

2 answers:

Alexxandr [17]3 years ago

5 0

?? Scalene triangle because none of the angles are the same

matrenka [14]3 years ago

4 0

180 -(42+39)=180-81=99 (3d angle is more than 90, it is 99, obtuse angle),
if triangle has one obtuse angle , then it is B. obtuse

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