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BabaBlast [244]
2 years ago
5

i know this is probably simple but ive forgotten how to do it and i cant find it in my notes help appreciated!

Mathematics
1 answer:
Soloha48 [4]2 years ago
6 0

Answer:

? = 13.6

Step-by-step explanation:

the angle between a tangent and the diameter = 90°

Then the triangle is right with legs 2 × 6 = 12 and 6.4

using Pythagoras' identity in the right triangle.

the square on the hypotenuse is equal to the sum of the squares on the legs , that is

? ² = 12² + 6.4² = 144 + 40.96 = 184.96 ( take square root of both sides )

? = \sqrt{184.96} = 13.6

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