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Marysya12 [62]
3 years ago
11

on another training ride jana bikes 15 miles in 50 minutes explain how you could find the number of miles she bikes in 1 hour ex

plain please
Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
5 0
So she is going 15 miles every 50 minutes...
arsen [322]3 years ago
3 0
Hiii I think that she wrode her bike 18 miles in one hour because 3 times 5 equals 15 miles and 15 miles equals 50 minutes. So if you add another 3 miles to 15 you get 18 miles in one hour
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An inscribed triangle with the hypotenuse being the diameter of the circle has angle A be 42 degrees. Angle C is 90 degrees. The
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The Radius of circle is 7.15 cm  

Step-by-step explanation:

Given as :

A Triangle is inscribed into circle

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So, ∠AKC = 48°

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So, \dfrac{1}{2} × AC × CK = 50

Or, AC × CK = 50 × 2

i.e , AC × CK = 100        ..........1

From figure

Sin 48° =  \dfrac{AC}{AK}

Or, 0.74 =  \dfrac{AC}{d}

∴ AC = 0.74 d             ..........2

<u>Similarly</u>

Sin 42° =  \dfrac{CK}{AK}

Or, 0.66 =  \dfrac{CK}{d}

∴ CK = 0.66 d               .............3

<u>Putting eq 2 and 3 value into eq 1</u>

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Or, 0.4884 × d² = 100  

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So, The Radius of circle =  r = 7.15 cm

Hence, The Radius of circle is 7.15 cm  Answer

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