Question
The area of an equilateral triangle is 64√3
cm2. Find the radius of the circle that circumscribes the triangle.Solution
Let length of each side of the triangle be 'a' cm. ATQ; 64√3 = (√3/4) X a2 Or, a2 = 256 So, a = 16 So, circum-radius of equilateral triangle = (a/√3) = (16/√3) cm
More Triangle Questions
- What will come in place of the question mark (?) in the following questions?
135÷ 15 x 19 + 14807 = ? + √3249 - √9604
Determine the simplified value of following expression:
0.998 + 0.882 + 0.12
7(1/2) – 3(5/6) = ? − 2(7/12)
Simplify the following expression:
- What will come in the place of question mark (?) in the given expression?
(120 - ?) ÷ 2 + 35 = 86 - 11 1/5 of 6/3 of 3/2 of 1966 = ?
- Evaluate: 168 ÷ 12 × 5 + 190 – 20% of 450
{(700 ÷ 20) × 40} – 30 × 18 = ?% of 1000
43.5 × [1/7 × (91 - 49) + 17(1/3)] = ?
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