Question Bank
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The length of the angle bisector of angle A in triangle ABC is given by:
In a triangle ABC, if the sides are 13, 14, 15, the length of the altitude to the side 14 is:
A circle is inscribed in a triangle with sides 8, 15, 17. Its radius is:
The area of the circumcircle of an equilateral triangle with side 6 is:
In triangle ABC, side b = 20, c = 21 and sin A = 3/5. Find side a.
Two sides of a triangle are 4 and 10. Which cannot be the third side?
In triangle ABC, angle A = 30, B = 60. What is the ratio of sides a:b:c?
The coordinates of vertices of a triangle are (0,0), (6,0) and (0,8). The circumcenter is:
Find the area of a triangle with base 15 cm and altitude 10 cm.
A triangle with sides 6, 8, and 10 is similar to a triangle with sides:
If in triangle ABC, angle C is right angle, then cos^2 A + cos^2 B is:
The perimeter of an equilateral triangle is 18 cm. Its area is:
In triangle ABC, if AD is altitude and AE is circumradius, then area is:
Angle sum of a triangle is 180. This is based on which postulate?
If the supplement of an angle is 2/3 of its reflex angle, find the angle.
What is the angle between the hands of a clock at 12:15?
What is the complement of an angle of 35 degrees?
If two angles are supplementary and one is 110 degrees, what is the other?
Angles that have a common vertex and a common arm but no common interior points are called: