find the distance of ab if point a is a(8,9) and the midpoint mis
m(-2, -3).

The distance of AB is

Solution:

In the question it is given that the midpoint M is (-2,-3) and point A is (8,9). To find the distance between A and B we have to find the point of B. Let the point of B be

We know,

Mid point for

Midpoint

Therefore, the point of B is (-12,-15)

Using the distance formula between two point A and B which is given by

where d is the distance

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°

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step-by-step explanation: