contestada

Find the length of tangent drawn to a circle with radius 7 cm from a point 25 cm away from the

centre.


(a) 24 cm (b) 27 cm (c) 26 cm (d) 25 cm​

Respuesta :

thebecks

Answer:

a) 24 cm

Step-by-step explanation:

Tangents form a 90° angle with a radius.

using the Pythagorean theorem:

D² =  25² - 7²

D² =  625 - 49 = 576

D =  24

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