Question

One of the angles of a triangle is equal to the sum of the other two. Find
the measure of this angle.​

Answer 1

Answer:

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Answer 2

Answer:

90 degrees.

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Step-by-step explanation:

the measure of the triangle's angle will be found using this equation:

we will name the angles a, b and c respectively, where a = b+c

now, since the sum of all the angles of the triangle is always 180 degrees, we form the following equation:

180=a+b+c.

now, we can replace b+c with 'a' since a=b+c, and replacing it will not change the equation.

180=a+a

now, we can simplify it further:

2a = 180

now, we transpose 2 to the other side.

a = 180/2

and finally, we get the value of the angle a.

a = 90.