In triangle ABC, a line is drawn from the vertex A to a point D on BC. If BC = 9 cm and DC = 3 cm, then what is the ratio of the areas of triangle ABD and triangle ADC respectively?
1). 1 : 1
2). 2 : 1
3). 3 : 1
4). 4 : 1
In a ΔABC, ∠A + ∠B = 70° and ∠B + ∠C = 150°. Then, ∠B is equal to
In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?
1). 7.5 cm
2). 5 cm
3). 10 cm
4). 2.5 cm
What is the area (in sq cm) of a regular hexagon of side 14 cm?
1). 147√3
2). 441√3
3). 196√3
4). 294√3
If the interior angle of a polygon is 140°, then find the number of sides of the polygon?
1). 9
2). 10
3). 6
4). 8