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Bad White [126]
4 years ago
10

I need some help........

Mathematics
2 answers:
Igoryamba4 years ago
5 0
1) <DAB =180-90
=90

2)<DAC =90-56
=34
kakasveta [241]4 years ago
3 0

m∠DAB can be determined by looking at the angle on the opposite side. The box indicates that it is a 90° angle, and any straight line is inherently 180. m∠DAB is a supplementary angle to the angle on the right, so it must add with the 90° to make 180°. So, m∠DAB is 180 - 90, which is 90, so m∠DAB is 90°.

∠DAC is a complementary angle to ∠BAC, which means when added up together they are 90°, so if you want ∠DAC, you will have to take away ∠BAC from the right angle. m∠DAC = 90 - 56 = 34. Thus, m∠DAC is 34°.

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Now perform order of operations.

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8 0
3 years ago
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3 0
2 years ago
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oee [108]

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5 0
3 years ago
Find the similarity ratio and the ratio of the perimeters of two regular octagons with areas of 18 in2 and 50 in2.
Brums [2.3K]
By definition we have that the area of a regular octagon is:
 A = 4.83L ^ 2
 Where, L is the length of the octagon side.
 the similarity ratio = the area ratio.
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 the ratio of the perimeters
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 L2 ^ 2 = A2 / 4.83
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4 0
4 years ago
Read 2 more answers
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aleksandr82 [10.1K]

Answer:

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Step-by-step explanation:

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15 = 50% of 30

4 0
3 years ago
Read 2 more answers
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