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REY [17]
3 years ago
13

Find x this is a secant secant circle

Advanced Placement (AP)
1 answer:
Serhud [2]3 years ago
8 0

Answer:

x = 11

Explanation:

The measure of the angle formed outside a circle when two secants intercepts = ½(the difference of the intercepted arcs)

Therefore:

5x - 10 = ½(13x + 7 - 60)

Multiply both sides by 2

2(5x - 10) = 13x + 7 - 60

10x - 20 = 13x - 53

Collect like terms

10x - 13x = 20 - 53

-3x = -33

Divide both sides by -3

-3x/-3 = -33/-3

x = 11

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