Page 143 - Math Smart - 7
P. 143
Check My
Understanding
Q Find angle a. 0 Calculate the size of angle b. 0 Calculate the size of angle c.
100°
53
0 Solve for x. 0 Solve for m.
o Journal Writing
Read each comment carefully. State whether
you agree or disagree with each comment.
Justify your answer.
two straight lines one straight line no straight lines
Z.o= Z.b because the
angles are vertically
/icand Z-c/are not
opposite.
equal because there is Z.e= /./because
only one straight line. the angles are
vertically opposite.
A
Check My
Understanding
0 ^06 and COD are straight lines. 0 Lines AB and CD are straight lines.
B £
63°
r
Calculate the size of each angle. Calculate the size of each angle.
a) AOC b) BOD a) AdD b) AOC
0
