Question

Sa
measure 700?
Solution: Let the measure of the
complementary angle be x.
70 + x = 90
: 70 + x-70 = 90-70
x = 20°
The measure of the complement
of an angle of measure 70° is 20°.
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Practice
1. The measures of some angles are given belov
angles
(i) 40°
(ii) 63° (iii) 45° (iv) 55
2. (y-20° and (y + 30)° are the measures
of each angle.
Let's recall.
АТ
B
Let's learn.
EC
Supplementary
• A line
A ray E​

Answer 1

Answer:

Supplementary angles= 180°

Complementary angles= 90°