If the measure of the interior angle of a regular polygon is 120 deg then how many sides does it have?
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If Tan A = 15/8 and Tan B = 7/24, then Tan (A - B) = ?
ΔPQR is right angled at Q. If m∠P = 45°, then find the value of (cosecR + 1/3).
The rate of discount on an article whose marked price is Rs. 170 and selling price is Rs. 130?
The square root of 5776 is
If any two sides of a triangle are divided by the line in the same ratio, then the line must be _________________ to the third side of the triangle.
ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?
The lengths of two parallel sides of a trapezium are 21 cm and 9 cm. If its height is 10 cm, then what is the area (in cm2) of the trapezium?