In ΔABC if ∠A = 50° and ∠B = 70°, find the measure of exterior angle A.
130°
Exterior angle at vertex A = 180° − Interior angle A = 180° − 50° = 130°.
Important Questions from Co-ordinate Geometry
In which quadrant is the point (–4, –3) located?
A. I
B. II
C. III
D. IV
The area of a quadrilateral whose vertices are (3,0), (4,5), (-1,4) and (-2,-1) taken in order, is:
The coordinates of a point A, where AB is the diameter of a circle whose centre is (2, -3) and B is (1, 4) is:
The ratio between the radius of the base and the height of a cylinder is 3:4. If its volume is 38,808 cm³, then using \( \pi = \frac{22}{7} \), find the diameter of the cylinder.
The ratio between the radius of the base and the height of a cylinder is 3:4. If its volume is 38,808 cm³, then using \( \pi = \frac{22}{7} \), find the diameter of the cylinder.
