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Daniel [21]
3 years ago
5

An angle measures 77.8° less than the measure of its complementary angle. What is the measure of each angle?

Mathematics
1 answer:
Rasek [7]3 years ago
4 0

Answer:

6.1°    and     83.9°

Step-by-step explanation:

Complementary angles sum 90°

a+b = 90°

a = b - 77.8

then:

(b - 77.8) + b = 90

2b - 77.8 = 90

2b = 90 + 77.8

2b = 167.8

b = 167.8/2

b = 83.9°

a = b - 77.8

a = 83.9 - 77.8

a = 6.1°

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3 years ago
Points J and K are midpoints of the sides of triangle FGH. What is the value of y?
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The answer 

the complement of the question is 

What is the value of y?

2
5
7
<span>8
</span>
According to the image, HKJ and FGH are similar, we can apply the theorem of thales
since GK and GF are parallels, so 

HK / HF = HJ / HG = KJ / GF and as we see on the figure, HK = HF /2, this implies  2HK =HF

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