Page 7 - Activity

(b) CD = AD x BD
2
2
(c) AD = BD x CD
(d) none of these

Question 7.
The two legs of a right triangle are equal and the square of the hypotenuse is 50, then
length of each leg is
(a) 13
(b) 5
(c) 10
(d) none of these

Question 8.
A man goes 15m due west and then 8 m due north. How far is he from the starting point
?
(a) 17m
(b) 9 m
(c) 12m
(d) 13 m

Question 9.
In ∆ABC, AB = 6√3 cm, AC = 12 cm and BC = 6 cm. The angle B is
(a) 120°
(b) 60°
(c) 90°
(d) 45°

Question 10.
∆PQR is an equilateral triangle with each side of length 2p. If PS ⊥QR, then PS is equal
to

(a) p
(b) p
(c) √3 p
(d) 2p