Question

Using aruler and a pair of compasses, construct the angles whose measures are(i) 120(ii) 135(iii) 22.5(iv) 15(v) 180 please explain this to me

Answer 1

Step-by-step explanation:

Steps of construction.

Angle 22.5°

i) Draw a line and construct ang.90°

ii) Bisect ang. 90 this will form 45°

iii) Now draw bisector of ang. 45°

iv) Thus the angle formed will be 22.5°

Angle 135°

i) Draw a line and make 120°

ii) Bissect ang. 180° and 120°, this will form 150°.

iii)Now bisect ang.150° and 120°.

iv)Thus the Angle formed will be 135°.

Angle 120°

i) Draw a line

ii) Using compass draw a semicircle at the end of line.

iii) Cut an arc from the end of semicircle.

iv) Thus where the arc will cut draw a line along it and 120° will be made.

Angle 180°

i) Drawl a line and thus 180° will be formed.

Hope this help you.

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