there are 18 male students and 13 female students in form 1 orchid. each male student pays RM 8 for each sports shirt and each female student pays RM 11 for a sports shirt. calculate their total payment

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

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation: