Find the greatest common factor of these three expressions. 18x^2, 42x^4, and 30x^5
1 answer:
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Secant and tangent theorem: Square of measure of tangent is equal to the product of length of whole secant and length of exterior secant segment, i.e.
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The whole secant wuth exterior secant 4 cm is 4+x cm. Tangent is 7 cm. Using previous theorem, you can get that
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Solve this equation:
cm.
Answer: x=8.3 cm.
