Geometry Practice Test 6

Question : 7 of 39

Marks: +1, -0

The lengths of the two sides forming the right angle of a right angled triangle are 6 cm and 8 cm. The length of its circum-radius is:

Solution:

AB is the diameter of the circumcircle
In ΔABC

(AB)^2

(AC)^2+(BC)^2

x^2

(6)^2+(8)^2

x^2

= 36 + 64
x =

√{100}

x = 10 cm
Diameter = 10 cm
Radius = 5 cm

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