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Practice Lines and Angles Questions and Answers

Tangents AB and AC are drawn to a circle from a point A, such that BAC = 400. A chord CP is drawn parallel to BA. The measure of ∠ CBP is:...
The sides AB and AC of ∆ ABC are produced to points D and E, respectively. The bisectors of ∠ CBD and ∠ BCE meet at P If A = 720 then the measure of ...
Ina circle with centre O, AD is a diameter and AC is a chord. B is a point on AC, such that OB = 5 cm and ∠ OBA = 600 If ∠ DOC = 600 , then what is the...
Find the distance between the points P (2, -1, 3) and Q (-5, 2, 1)?
Find the direction cosines of the plane 2x – 3y + 4z – 6 = 0 from the origin.
For what value of do the simultaneous equations 2x+3y=1, 4x+6y = λ have infinite solutions?
If f(0) = 3, f(1) = 5, f(3) = 21, then the unique polynomial of degree 2 or less using Newton divided difference interpolation will be:
In the following case, determine the direction cosines of the normal to the plane and the distance from the origin. z = 2
Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane.
Find the angle between the lines whose direction ratios are a, b, c and b − c, c − a, a − b.
If O be the origin and the coordinates of P be (1, 2, −3), then find the equation of the plane passing through P and perpendicular to OP.
PA and PB are two tangents from a point P outside the circle with centre O. If A and B are points on the circle such ∠APB = 128°, then ∠OAB is ...
In a ∆ ABC, the bisectors of ∠ B and ∠ C meet at O. If ∠ BOC = 142°, then the measure of ∠ A is

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