Question

i need all of them please​

Answer 1

Answer:

90_81 is the answer correct

Answer 2

Hey mate

Here is ur answer

(i) BD2 = AD × DC

(ii) let the radius of two circle be r1 and r2 therefore, r1 = 3 and r2=2.5

Now,

The circles touching externally = r1 - r2

= 3 - 2.5

= 0.5cm

(III) slope of line = x2 - x1 / y2 - y1

Hope it will help u

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