A triangle has all three sides of length 18 cm. Determine

Q: Answer-A triangle has all three sides of length 18 cm. Determine the circumradius of this triangle.

ATQ Since all three sides are equal, the given triangle is an equilateral triangle. For an equilateral triangle, the circumradius is calculated asWhere a 18 cm

the circumradius of this triangle.

A 5√2 Correct Answer Incorrect Answer

B 6√3 Correct Answer Incorrect Answer

C 12√3 Correct Answer Incorrect Answer

D 18√3 Correct Answer Incorrect Answer

Solution

ATQ;
Since all three sides are equal, the given triangle is an equilateral triangle.

For an equilateral triangle, the circumradius is calculated as:

Where a = 18 cm

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