Chapter 2: Q20. (page 52)
The four angles of the figure PQRS are right angles.
a.
b.
c.
d.
Short Answer
a.The measure of the angle is
b.The measure of the angle is
c.The measure of the angle is
d. The measure of the angle is
Step by step solution
Part a. Step 1. Observe the given diagram.
The given diagram is:
Part a. Step 2. Description of step.
It is being given that
Therefore,
From the given diagram it can be noticed that the angles
Therefore, the sum of the angles
Therefore, it can be obtained that:
Part a. Step 3. Description of step.
The measure of the angle
Part b. Step 1. Observe the given diagram.
The given diagram is:
Part b. Step 2. Description of step.
It is being given that
From the given diagram it can be noticed that the angles
Therefore,
Therefore, it can be obtained that:
Part b. Step 3. Description of step.
The measure of the angle
Part c. Step 1. Observe the given diagram.
The given diagram is:
Part c. Step 2. Description of step.
From the given diagram it can be noticed that the angles
Therefore, sum of the angles
Therefore, it can be obtained that:
Part d. Step 3. Description of step.
The measure of the angle
Part d. Step 1. Observe the given diagram.
The given diagram is:
Part b. Step 2. Description of step.
It is being given thatthe four angles of figure
Therefore, it can be said that
From the given diagram it can be noticed that the angles
Therefore, the sum of the angles
Therefore, it can be obtained that:
Part d. Step 3. Description of step.
The measure of the angle
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