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Find the measure of F. A. 44 B. 88 C. 90 D. 46

Find the measure of F. A. 44 B. 88 C. 90 D. 46-example-1

1 Answer

3 votes

Answer:

A. 44º

Explanation:

The sum of internal angles in a triangle is equal to 180 degrees, whereas the sum for a square is equal to 360 degrees. Given that three triangles depicted on figure constructs a square, it is to conclude that each is an isosceles triangle. The following relations are presented:

1)
e + 92^(\circ) = 180^(\circ) Given

2)
a = b,
c = d Given

3)
a + b + 92^(\circ) = 180^(\circ) Given.

4)
c + d + e = 180^(\circ) Given.

5)
b + c = 90^(\circ) Given.

6)
2\cdot a + 92^(\circ) = 180^(\circ) 2) in 3)

7)
a = 44^(\circ) Algebra

8)
b = 44^(\circ) By 2)

9)
b= f Alternate internior angles.

10)
f = 44^(\circ) By 8). Result

Hence, the answer is A.

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