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Question
△ABC is constructed such that AB = 3 cm, BC = 5 cm and ∠A = 90∘. Then the length of side AC is
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Solution
The correct option is B 4 cm
Step 1:
Draw the base line AB of the length 3 cm.
Step 2:
Measure the angle A with your protractor. Make a mark at 90 degrees and draw a line from A passing through the mark.
Step 3:
Draw an arc with centre at B and radius 5 cm. The point at which this arc cuts the line through A is the required point C.
Thus △ABC is formed.
From the above construction, we see that the length of side AC is 4 cm.
Step 1:
Draw the base line AB of the length 3 cm.
Step 2:
Measure the angle A with your protractor. Make a mark at 90 degrees and draw a line from A passing through the mark.
Step 3:
Draw an arc with centre at B and radius 5 cm. The point at which this arc cuts the line through A is the required point C.
Thus △ABC is formed.
From the above construction, we see that the length of side AC is 4 cm.
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