khanagirl khanagirl

03-03-2022
Mathematics

contestada

What’s the surface area of a cone with the height of 50 and a radius of 40

Whats the surface area of a cone with the height of 50 and a radius of 40 class=

Respuesta :

indrawboy indrawboy

03-03-2022

the surface area of a cone: πr²+πLr

L = the slant height

r = radius of the base

r = 40 in : 2 = 20 in

L = 50 in

The surface area:

=π.20² + π.50.20

=1256+3140

=4396 in²

Answer Link

Otras preguntas

What is the missing number? 2.1 + (–3.4 + 5) = [ + (–3.4)] + 5

What is the midpoint B of line segment AC with endpoints A(14, -7) and C(-12,-9)?

Which of the following rights appeared in the original text of the Constitution, before the addition of the Bill of Rights? Organize as correct answer(s) and in

Which of the following is an example of an aerobic activity that improves cardiovascular endurance? a. Step aerobics b. Weight lifting c. Yoga d. Breathing exer

Who is the narrator of the story of “Once in a Lifetime”? Who is the “you” that the narrator is addressing?

Person a and person b shoot to the same target independently. person a hits the target with a probability of 0.8, while person b hits the target with a probabil

Which point is part of the solution of the inequality y ≥ |2x − 1|. (0, 0) (1, 1) (1, 0) (3, 2)

Which fraction is equivalent to 7/12 A. 14/28 B. 21/36 C. 21/45 D. 14/17

During the Civil War, what was the reason for secession of the Southern States?

Correct the number of significant figures in calculations which are performed incorrectly. express your answers numerically. if there is more than one answer, s