Question

1. Find the supplement of each of the angles :
a. 100 -
b. 3.30
2. Find the complement of each of the angles :
b. 77.5°
c. 132..5°
c. 70°
3. Find the angles whose complement exceeds it by 18°.
4. The supplement of an angle is 138°. Find its complement
5. Two supplementary angles differ by 34°. Find the angles.
6
. In the given figure, if ray OR stands on line PQ
such that ZPOR=LQOR,
then show that ZPOR=90°.
7. Two lines PQ and RS intersect at a point O.
If ZPOR=55°, find the measure of each of
the angles ZPOS, ZQOS and ZQOR.
55
192
First Step with Mathematics - 7​

Answer 1

Answer:

1. supplement

a. 80°

b. i think question is wrong or the answer is 176.70°

2. complement

a. 102.5°

b. 47.5°

c. 110°

3. let the angles be x and x-18

A/Q-

x+x-18 = 180°

2x = 198°

x = 99°

angles = x = 99°

           = x-18 = 99°-18 = 81°

4. 180° - 138° = 42°

    complement of 42° = 90°-42° = 48°

5. let angles be x and x-34°

   A/Q-

x+x-34° = 180°

2x = 214°

x = 107°

angels = x = 107°

           = x-34° = 107°-34° = 73°

6. I don't understood this question

7. I don't understood this question