Question

In a circle of radius 4.5 cm draw two radii .Such that the angle between them is 70 degree construct tangents at the non- centre ends of the radii

Answer 1

Given : a circle of radius 4.5 cm

To Find : draw two radii .Such that the angle between them is 70 degree

construct tangents at the non- centre ends of the radii

Solution:

Step 1 : Take a point O

Step 2 : Using compass width = 4.5 cm and taking O as center draw a circle.

Step 3 : Take a point A on circumference of circle

Step 4 : Draw an angle of 70° at O on AO using protractor such that it meets circle at B

∠AOB = 70°

Step 5 :  Draw a right angle at A  on OA using protractor and draw ray AM

Step 6 :  Draw a right angle at B  on OB using protractor and draw ray BN

AM & BN are  tangents

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