Mathematics
In a △ABC, if AB = cm, BC = 6 cm and AC = 12 cm, then ∠B is 1. 120° 2. 90° 3. 60° 4. 45°
Related Questions
In a △ABC, ∠A = 90°, CA = AB and D is a point on AB produced. Prove that
DC2 - BD2 = 2AB × AD.
In an isosceles triangle ABC, AB = AC and D is a point on BC produced. Prove that AD2 = AC2 + BD × CD.
If the sides of a rectangular plot are 15 m and 8 m, then the length of its diagonal is
17 m
23 m
21 m
17 cm
The lengths of the diagonals of a rhombus are 16 cm and 12 cm. The length of the side of rhombus is
9 cm
10 cm
8 cm
20 cm