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2 years ago

Can someone please help me find the measure of the exterior angle.

Mathematics

2 answers:

natta225 [31]2 years ago

7 0

Answer:

X=128°

Step-by-step explanation:

Because an exterior angle of a triangle is equal to of the two opposite interior angle.

The sum of the exterior and interior angle is equal to 180°

In this case the part marked red = 90° because is a right angled triangle.

90+38=128

180- 128=52

180- 52=128

x=128.

motikmotik2 years ago

4 0

Answer:

128 degrees.

Step-by-step explanation:

Simply add 38 degrees with 90 degrees.

(the square in the corner means 90 degrees)

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