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cricket20 [7]
3 years ago
11

Please help. Find sinA

Mathematics
2 answers:
Vlad1618 [11]3 years ago
5 0

Answer: 32/40

Step-by-step explanation:

Sin is Opp/Hyp

Sin A is 32/40

kotykmax [81]3 years ago
3 0
The answer to that will be 32/40
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The length of side of largest square is 15 inches

Step-by-step explanation:

The given suares are when joined in the way as shown in picture their sides form a right agnled triangle.

Area of square 1 and perimeter of square 2 will be used to calculate the sides of the triangle.

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<u>Area of square 1: 81 square inches</u>

s^2 = A\\s^2 = 81\\\sqrt{s^2} = \sqrt{81}\\s = 9

<u>Perimeter of square 2: 48 inches</u>

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We can see that a right angled triangle is formed.

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Pythagoras theorem can be used to find the length.

(H)^2 = (P)^2+(B)^2\\H^2 = (9)^2+(12)^2\\H^2 = 81+144\\H^2 = 225\\\sqrt{H^2} = \sqrt{225}\\H = 15

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The length of side of largest square is 15 inches

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3 years ago
in a sale normal prices are reduced by 15%. the sale price of a CD player is $102. work out the normal price of the CD player.
morpeh [17]
.85x=102
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