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maks197457 [2]
3 years ago
13

triangle ABC is an obtuse isosceles triangle. angle a measures 20°. what is the number of degrees in the measure of the largest

interior angle of tiangle ABC
Mathematics
1 answer:
Lynna [10]3 years ago
8 0
The largest angle must be the single angle, so there are two angles that are 20 degrees. 20 + 20 is 40, and because the sum of all angles in a triangle is 180 degrees, you must subtract 180 - 40, and you get 140 degrees as the largest angle. Hope this helps!
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