Help me please I’m so lost

Mathematics

1 answer:

vodomira [7]3 years ago

5 0

Answer:

8.7 inches

Step-by-step explanation:

Okay so right now you have these values:

y = 10

o = 5 (b/c you divide the 10in in half since only half of it makes the base for the triangle)

Y = 90°

Given these values, you can use the pythagorean theorem to solve for side x (Segment OY):

a^2 + b^2 = c^2 (or in this case: o^2 + x^2 = y^2)

Substitue in your values:

(5^2) + x^2 = 10^2

Subtract the 5^2 from both sides and simplify:

x^2 = 100-25

x^2 = 75

Square root both sides to get rid of the square on x:

x = $\sqrt{75}$

x = 8.7 inches

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_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

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Source:
http://www.1728.org/annuity.htm