4 years ago

The measures of two angles of a triangle are 69 and 21 . Is the triangle acute , right , or obtuse ?

Mathematics

2 answers:

Lera25 [3.4K]4 years ago

8 0

Answer:

right

Step-by-step explanation:

69 + 21 is equal to 90 and all three angle of a triangle will be 180 so the last angle would be 90. And a right triangle will have an angle = to 90

Step2247 [10]4 years ago

4 0

Answer:

right

Step-by-step explanation:

69+21=90

180-90=90

90 degrees is a right triangle

i think

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