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Please help me with the last one on number 2

Please help me with the last one on number 2-example-1

1 Answer

2 votes

Answer:


OB=\sqrt[]{3^2+4^2}=5
OC=\sqrt[]{4^2+3^3}=5
OD=\sqrt[]{2^2+\sqrt[]{21}^2}=5

Step-by-step explanation:

The length of the lines mentioned can be found using the distance formula

which says


length=\sqrt[]{(x_1-x_0)^2+(y_1-y_0)^2}

where (x0,y0) and (x1,y1) are any two points.

Now in our case one fixed point is the centre of the circle and so w

User Loquatious
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