ΔABC is an isosceles triangle in which ∠C = 90°. If AC =6 cm, AB=?

A) \(6 \sqrt{2}\) cm

B) 6 cm

C) \(2 \sqrt{6}\) cm

D) \(4 \sqrt{2}\) cm

A 2.5m long ladder leans against the wall of a building. The base of the ladder is 1.5m away from the wall. What is the height of the wall?

A) 2 cm

B) 8 m

C) 2 m

D) 5 m

Which of the following is NOT true about similar figures?

A) Similar figures always have the same shape.

B) Similar figures always have the same size.

C) Similar figures always have corresponding angles that are equal.

D) Similar figures always have corresponding sides that are proportional.

If a line divides any two sides of a triangle in the same ratio then the line is ———– to the third side

A) parallel

B) perpendicular

C) co-incides

D) none of the above