La torre de pisa tiene una altura aproximada de 56m. Actualmente, la torre se separa de la vertical una distancia de 3,9m. halla la longitud de la vertical desde la cima de la torre hasta el suelo. con procedimiento porfavor.

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

898.1666667

step-by-step explanation:

5389/6 = 898.1666667

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed

3/20

step-by-step explanation:

well, there are 20 outcomes, and 3 of them you want. so, 3/20