Question

Geometry question please help:)

Answer 1

• EF = 40√6

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DC is the radius and its length is:

• DC = 20 + 50
• DC = 70

DC is the perpendicular bisector of EF. Hence the half of the segment EF is the leg of a right triangle with the hypotenuse of EC = DC = 70 and other leg of 50 units.

Using the Pythagorean theorem, find the length of EF:

• (EF/2)² = 70² - 50²
• (EF/2)² = 2400
• EF/2 = √2400
• EF/2 = 20√6
• EF = 40√6