If in-radius of an equilateral triangle is 3 cm. Calculate the perimeter (in m) of the equilateral triangle.
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A man buys 10 oranges for Rs. 3 and sells 8 for Rs. 3. Calculate his gain percent.
If tanα = 2 - 1, then the value of tanα - cotα = ?
In ΔABC measure of angle B is 90 deg. If tanA = 15/8, and AB = 0.8 cm, then what is the length (in cm) of side AC?
The perimeter and the breadth of a rectangle are 68 cm and 10 cm respectively. Calculate the length of its diagonal (in cm).
A right-angled triangle ABC is right-angled at B, and tan A = 4/3. If AC = 25 cm, the length of BC is
0.296 + 2.96 + 29.6 + 296 = ?
If 3cos2x - 2sin2x = -0.75 and 0°⩽ x ⩽ 90°, then x = ?