For the following questions answer them individually
An angle is greater than its complementary by 20°. What will be the measure of the angle?
The radius of a hemisphere is 21 cm, what is its volume? (Take π = 22/7)
If $$cot^{2}A-cos^{2}A = x$$, then value of x is
What are the coordinates of the centroid of a triangle, whose vertices are A(-2,5), B(4,4) and C(7,-3)?
In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?
If 2x + 5 > 2 + 3x and 2x-3 ≤ 4x-5, then x can take which of the following values?
If the radius of a circle is increased by 14% its area increases by
When 0.151515.....is converted into a fraction, then the result is