In the given figure, ABCD is a trapezium in which AD = 13 cm, BC = 5 cm, CD = 17 cm and ∠A = ∠B = 90°. Calculate :

(i) AB

(ii) Area of trap. ABCD

The adjoining figure shows a field with the measurement given in metres. Find the area of the field.

The length of the base and the area of an isosceles triangle are respectively 8 cm and 12 cm². The length of each equal side is :

1. 15 cm

2. 10 cm

3. 6 cm

4. 5 cm

The length of the base of an isosceles triangle is 24 cm and the length of each equal side is 13 cm. The area of the triangle is :

1. 60 cm²

2. 120 cm²

3. 156 cm²

4. 164 cm²