Page 6 - Activity

(c) 45°, 45°, 90°
(d) none of these

Question 2.
In right ΔABC, AB = 3cm, BC = 4 cm and ∠B = 90°, then AC is
(a) 7 cm
(b) 5 cm
(c) 2 cm
(d) 3 cm

Question 3.
The hypotenuse of a right triangle is 17 cm long. If one of the remaining two sides is of
length 8 cm. Then the length of another side is
(a) 8 cm
(b) 15 cm
(r) 12 cm
(d) 24 cm

Question 4.
Sides of certain triangles are given below. Determine which of them are right triangles
(a) 7 cm, 24 cm, 25 cm
(b) 5 cm, 8 cm, 11 cm
(c) 5 cm, 20 cm, 25 cm
(d) none of these

Question 5.
ABC is an isosceles triangle, right angled at C. Tick the correct relation
(a) 2AB = AC
2
2
(b) BC = 2AB
(c) 2AB = AC + BC
2
2
2
(d) none of these
Question 6.
In ∆ABC, BD ⊥ AC and ∠B = 90°, then

2
(a) BD = AD x CD