Question

in the given figure angle abc is equal to 69 degree and Angle ACB is equal to 31 degree find angle bdc

Answer 1

Heyyaaa!
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Let angle abc be 1 , angle acb be 2 and angle bac be 3
Angles (1+2+3) = 180° (angle sum prop.)
69+31+ angle 3 = 180
Angle 3=180-100
=80°
Therefore, angle BAC is 80°
Now, angle BAC = angle BDC (angles in the same segment of a circle are equal)
Thus, angle BDC=80°
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Hope it helps!!

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Answer 2

Hi there!

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For solutions, Refer to the attached picture.
Regrets for handwriting _/\_

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Let's see some related topics :

⚫ Circle : The collection of all the points, which are at a fixed distance from a fixed point in a plane, is called a circle.

⚫ Radius : A line joining the centre to the Circumference of the circle, is called radius of a circle.

⚫ Secant : A line intersecting a circle at any two points, is called secant.

⚫ Diameter : A chord passing through the point of the circle, is called diameter. It is the longest chord.

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