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nika2105 [10]
3 years ago
15

Help asap with Arcs! 30 Points

Mathematics
1 answer:
alexira [117]3 years ago
6 0
The answer is 15

these chords are congruent because the radius of the circle are perpendicular to the them
so we can find EF by making an equation:
3x + 5 = x + 35 \\ 3x - x = 35 - 5 \\ 2x = 30 \\ x = \frac{30}{2} = 15

so EF is = 3(15)+5=50
good luck
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