Everything Maths Grade 10

c)

T

W

X

V

U

50 ◦

45 ◦

a

b

c

d

5.Given the figure below.

A C G

D

E F

B

x

s

r

p

135 ◦ y

45 ◦

a)Find each of the unknown angles marked in the figure below. Find a reason that leads to the answer

in a single step.

b)Based on the results for the angles above, isEF∥CG?

6.Given the following diagrams:

Diagram A Diagram B

y

x

z

2,3x

2,5y 2,2z

y

x

z R,ky

R,kx

R,kz

Which diagram correctly gives a pair of similar triangles?

272 7.5. Chapter summary