Everything Maths Grade 10

f)

9,k9

x◦

6

g)

(^7) 5,73
x◦
h)
2,54
x◦
5,44
i)
7
40 ◦
x
11.Calculate the unknown lengths in the diagrams below:
30 ◦
25 ◦
20 ◦
a
b
c
16 cm
50 ◦^60 ◦
80 ◦
e
d
f
g
5 m
12.In△P QR,P R=20 cm,QR=22 cm andPRQ^ = 30°. The perpendicular line fromPtoQRintersects
QRatX. Calculate:
a) the lengthXR b)the lengthP X c) the angleQP X^
142 5.9. Chapter summary