Question

Draw a circle with centre O and radius 2.5 cm .Draw two radii OA and OB such that angle AOB is equal to 60 degree. measure the length of the chord AB . Construction

Answer 1

A circle with Radius 2.5 cm Constructed and ∠AOB = 60° drawn and arc AB Measured = Radius of circle

Step-by-step explanation:

Step 1 : Take a point Label it as O

Step 2 : Taking O as center  and taking Radius = 2.5 cm , Draw a circle using compass

Step 3 : Take any point A on circumference of circle

Step 4 : Join OA

Step 5 : Draw an angle of 60° at  Point O on line AO and extend it till meet at circle at point B

Step 6 : Join AB

Length of chord AB = 2.5 cm = Radius of circle

as Δ AOB is an equilateral Triangle

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