darshanraj darshanraj

03-06-2018
Mathematics

contestada

a toy is made from a hemisphere, a cylinder and a cone is shown find the total are of a toy

a toy is made from a hemisphere a cylinder and a cone is shown find the total are of a toy class=

Respuesta :

Аноним Аноним

03-06-2018

Surface area of the cylinder = 2 pi r * 40 = 2 pi * 3* 40 = 24 pi
of the cone this is pi * 3 * 5 = 15pi
of the hemisphere this is 1/2 * 4 * pi * 3^2 = 18pi

So the answer is 24pi + 15pi + 18pi = 57pi = 178.98 cm^2

Answer Link

Otras preguntas

What shape is this? Plz help

The lives and writings of the Puritans were greatly influenced by Question 3 options: The Odyssey The Old Testament The entire Bible Pilgrim's Progress

At what rate percent per annum will a sum of money double itself in 5 years

1. Changing environmental conditions, such as temperature or pH, can affect enzyme shape. How would this alter the enzyme's function?

2. (10 points) Six hundred paving stones were examined for cracks, and 15 were found to be cracked. The same 600 stones were then examined for discoloration, an

Which of the following is a postulate? A) Angle bisector postulate B) Collinear lines postulate C) Intersecting lines postulate D) Planes postulate

7/3x+1/3x=1+5/3xplz help

|x| find differentiate

a garage sells 86 more red cars Than blue cars the garage sells 1048 blue cars how many blue and red cars do they sell?

4-(-3) as an addition problem and find the difference.