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Sati [7]
3 years ago
10

Can someone please help me

Mathematics
1 answer:
PtichkaEL [24]3 years ago
7 0

Answer:

The size is 37.5 degrees

Step-by-step explanation:

The total angle in the triangle is 180

Since the other two angles are congruent. it means that they are equal

Let us call each of the angles x

Mathematically,

x + x + 105 = 180

2x = 180-105

2x = 75

x = 75/2

x = 37.5

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3 years ago
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Answer:

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Now, use difference of squares: a^2-b^2=(a+b)(a-b)
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-5y-26=9
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-5y=35
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8 0
2 years ago
Read 2 more answers
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