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aliina [53]
3 years ago
14

Find the radius of the circle

Mathematics
1 answer:
Grace [21]3 years ago
6 0

Answer:

1.5

Step-by-step explanation:

Step 1: find the semiperimeter, s, of the traingle.

Semiperimeter = ½(a + b + c)

Where:

a = 5

b = 5

c = 6

Plug in the values into the formula

s = ½(5 + 5 + 6) = ½(16) = 8

Step 2: Find the radius using the formula, r^2 = \frac{(s - a)*(s - b)*(s - c)}{s}

Plug in the values into the formula

r^2 = \frac{(8 - 5)*(8 - 5)*(8 - 6)}{8}

r^2 = \frac{(3)*(3)*(2)}{8}

r^2 = \frac{18}{8}

r^2 = 2.25

Take the square root of both sides

\sqrt{r^2} = \sqrt{2.25}

r = 1.5

Radius = 1.5

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