(3)
-. Roja, Renu and Reena are three friends. They decided
to sweep a circular park near their homes. They
divided the park into three parts by two equal chords
AB and AC for convenience.
(i) Prove that the centre of the park lies on the angle
bisector of <BAC.
(ii) Which mathematical concept is used in the above
problem?
Answers
Answer:
Isosceles Trapezium
Step-by-step explanation:
According to the problem given above,the correct answer would be:-
1. Roja, Renu and Reena are three friends. They decided to sweep a circular park near their homes. They divided the park into three parts by two equal chords AB and AC for convenience. Prove that the centre of the park lies on the angle bisector of angle BAC
2.The difference between the outside and inside surface of a cylindrical metallic pipe 14 cm long is 44cm^2. If the pipe is made of 99cm^3 of metal, find the outer and inner radii of the pipe.
3.Represent 20x + 50y= 200 by a graph. Write the coordinates of the point where it meets
(i) x axis
(ii) y axis
4. AC and BD are two chords of a circle which bisect each other. Prove that :
(i) AC and BD are diameters.
(ii) ABCD is a rectangle
5.Prove that the opposite angles of an isosceles trapezium are supplementary
Answer:
Step-by-step explanation:
