Question

solve step by step
class 9th
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Answer 1

GIVEN:

Ang. POR = Ang. ROS

Ang. QOS = 90°

TO FIND:

Value of Ang. POR and Ang. ROS

SOLUTION:

• The above diagram shows that there are three angles namely POR, ROS and QOS.
• From which ang. POR and ang. ROS are equal whereas ang. QOS is a ringht angle meaning it's 90°
• Together they form a straight line which is 180°

Let ang. POR and ang. ROS be x and y respectively.

Then,

• x+y+90° = 180°
• x+y = 180° - 90°
• x + y = 90°

Since , both the angles POR and ROS are same then they will be = 90° / 2 = 45°

Thus, ang. POR = ang. ROS = 45°

Answer 2

Answer:

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