Let the first number be x Other numbers be (x+6) and (x+12) According to the question x + (x+6) + (x+12) = 81 3x = 63 x = 21 Largest number = 21 + 12 = 33
One chord of a circle is given as 21.5 cm. Then the radius (r) of the circle must be:
If in a right angle triangle ABC, Angle B is a right angle. AB = 20 cm, BC= 21 cm if BD is perpendicular to AC find the length of BD?
A right triangular pyramid XYZB is cut from cube as shown in figure. The side of cube is 16 cm. X. Y and Z are mid points of the edges of the cube. What...
If the angles of the triangle are in the ratio of 1:2:3, then what is the smallest angle?
A circular clock has the hour hand of length 42 cm. Find the length of the distance it covers by its tip from 11 p.m. to 3 a.m.
In the given figure PQRS is a square and OQR is an equilateral triangle, then find angle POS?
Given are three points A(2, 7), B(4, -1), C(- 2, 6) on a plane. What kind of triangle is formed by joining the points A, B, and C? <...
If median AD of an equilateral ∆ABC is 21 cm and G is centroid. Find GD?
If I is the incentre of ΔABC , if ∠ BIC = 1200 , then what is the measure of ∠ BAC?