Chord and radius

Calculate the radius of a circle whose chord XY is 8 cm long and whose center is 3 cm from the chord.

Correct answer:

r =  5 cm

Step-by-step explanation:

t=8 cm v=3 cm  r2 = (t/2)2+v2  r=(t/2)2+v2=(8/2)2+32=5 cm



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You need to know the following knowledge to solve this word math problem:

arithmeticplanimetricsUnits of physical quantitiesGrade of the word problem

 
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