Please help! image is below, If b = 45, and c = 4 , then a = ___ units.

asked Nov 11, 2022 166k views

3 votes

Please help! image is below,

If b = 45, and c = 4 , then a = ___ units.

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2 votes

Answer:

a = 26.5 units.

Explanation:

Hidalgo answered Nov 12, 2022

7.7k points

7 votes

Answer:

Explanation:

By intersecting tangent and secant theorem:

${a}^(2) =c(b + c) \\ \\ {a}^(2) = 4(4 + 45) \\ \\ = 4 * 49 \\ \\ a = √(4 * 49) \\ \\ a = 2 * 7 \\ \\ a = 14$

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