If a triangle has two angles of equal measure then the third angle is obtuse

Question

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Answer 1

i am smart at home

Answer 2

In a triangle, the measure of one angle is twice the measure of another angle. the third angle is equal to the sum of the other two angles.What are the measures of the angels?

Answer 3

i dont get why there is not a answer

Answer 4

i dont get it please explain

Answer 5

at the topp of the triangle of measure of 30 at the top and only 40 at the bottom lefte and question mark at the right how do i get the answer to the math