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KengaRu [80]
2 years ago
14

PLEASE HELP NOW! I WILL MARK BRAINLIEST!

Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
7 0

Answer:

17 units

Step-by-step explanation:

Given 2 congruent chords in the circle, then they are equidistant from the centre and perpendicular

There is a right triangle formed by legs 15 and 8, with radius r being the hypotenuse.

Using Pythagoras' identity in this right angle

r² = 15² + 8² = 225 + 64 = 289 ( take the square root of both sides )

r = \sqrt{289} = 17

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