Assessment Trig ratios

ASSESSMENT

1. Consider a right angle triangle PQR, if PQ is 27 and QR is 17 then value of angle P is

(a) 32.19°

(b) 45.19°

(c) 49.58°

(d) 62.46°

1. Cos P of triangle PQR with respect to P is calculated as

(a) QR/PQ

(b) QR/PR

(c) PQ/PR

(d) PR/PQ

1. Corporate office building is 50m high and angle of elevation at top of building is 52° when seen from a point on level ground. distance between point and foot of building is

(a) 21.35 m

(b) 52 m

(c) 25 m

(d) 31.25

1. Answer of tan 40° up to three significant figures is

(a) 0.583

(b) 0.839

(c) 1.839

(c) 2.839

1. Consider a right angle triangle XYZ, XY is 17 and XZ is supposed as unknown number ‘a’ then X 54.26° up to three significant figures is

(a) 25.1

(b) 26.1

(c) 27.1

(d) 29.1