I)In a circle with centre 'o', seg AB is a diameter. Point M is in the

1.	I)In a circle with centre 'o', seg AB is a diameter. Point M is in the exterior of thecircle. Which type of angle is ZAMB? Draw the figure & write proof to justify youranswer.
Answer» GIVEN Centre of the CIRCLE is 'O' and segment AB is a diameter . Point M is an exterior point of the Circle. Join A and B to M . AM intersecting circle at point C . Join B to C . <ACB = 90° ( Angle in semicircle ). ∆BCM is a right angled triangle . Now, <AMB < 90° . Therefore., <AMB is an acute angle . •••♪

I)In a circle with centre 'o', seg AB is a diameter. Point M is in the exterior of thecircle. Which type of angle is ZAMB? Draw the figure & write proof to justify youranswer.

Answer»

GIVEN Centre of the CIRCLE is 'O' and segment AB is a diameter .

Point M is an exterior point of the Circle.

Join A and B to M .

AM intersecting circle at point C . Join B to C .

<ACB = 90° ( Angle in semicircle ).

∆BCM is a right angled triangle .

Now, <AMB < 90° .

Therefore.,

<AMB is an acute angle .

•••♪

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I)In a circle with centre 'o', seg AB is a diameter. Point M is in the exterior of thecircle. Which type of angle is ZAMB? Draw the figure & write proof to justify youranswer.​

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I)In a circle with centre 'o', seg AB is a diameter. Point M is in the exterior of thecircle. Which type of angle is ZAMB? Draw the figure & write proof to justify youranswer.