# maths-circles

a circle having a centre O has a triangle PQS inside it with the base QP is not on centre O. PT and QT are two tangents from an exterior point T (S, O and T are linear points - lie in one line )
it is given that angle ptq = 25 deg . find angle PSQ and OPQ

1. Take a look at paragraph 5 of

http://www.regentsprep.org/Regents/math/geometry/GP15/CircleAngles.htm

posted by Steve

## Similar Questions

1. ### geometry

Theres a circle with an equilateral triangle in the middle. The traingles edges all touch the circle. The radius of the circle is 8 meters. How do I find the area of the triangle? Sorry The triangles edges don't touch the circle,
2. ### Calculus - urgent

An isosceles triangle is inscribed in a circle of fixed radius R and centre O. What is the minimum area of the region outside the triangle and inside the circle?
3. ### geometry

An army base is enclosed by a wire fence so that it forms a circular compound. The entrance to the base is located at X(3, 6) and the exit is at Y(9, 14). X and Y are end points of a diameter of the circle. A search tower is
4. ### math

Prove that if a triangle is inscribed in a circle,the sides of a triangle are equidistant from the centre of the circle then the triangle is equilateral
5. ### math

If a circle is circumscribing triangle xyz,find the radius of the triangle. Calculate the area inside the circle but outside the triangle
6. ### MATH

I have been given a circle with a shaded triangle. Inside the circle is 10m. Inside the triangle is 60 degrees. I need to find the area of the shaded part.
7. ### elem math

jenna drew a triangle with 1 right angle. what type of triangle did she draw? Can a triangle 2 right angles? trinka stood inside a circle of friends to play a game. each friend in the circle is the same distance from trinka. what
8. ### calculus

5. Consider the circle x2 + y2 = 16 and the parabola y2 = 8x. They intersect at P and Q in the first the fourth quadrants, respectively. Tangents to the circle at P and Q intersect the x-axis at R and tangents to the parabola at P
9. ### math

Two chords in a circle are equal in lengh.The distances from the centre of the circle can be represented by x2 and 4x respectively.How far is it chord from the centre of the circle?[Under the topic of properties of a circle.]
10. ### Government senior college ikoyi

An equilateral triangle of side 20cm is inscribed in a circle.calculate the distances of a side of the triangle from the centre of the circle.

More Similar Questions