after allowing a 15% discount on the Marked price of a radio becomes rupees 1997 find the Marked price of the radio​

after discount sales price is rs 1997 which is 85 % of market price the market price = 1997/85×100 = 2350 ans.

351.23

step-by-step explanation:

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq