moisiialessiamaria20 moisiialessiamaria20
  • 16-02-2022
  • Mathematics
contestada

Work out the surface area of this solid quarter-cylinder.
Give your answer in terms of pi.

Work out the surface area of this solid quartercylinder Give your answer in terms of pi class=

Respuesta :

Аноним Аноним
  • 16-02-2022

Solution:

Note that:

  • Area of cylinder: 2πrh + 2πr²
  • Area of quarter cylinder: 2πrh + 2πr²/4

Substitute the values into the expression 2πrh + 2πr²/4.

  • 2 x π x 10 x 16 + 2 x π x 10²/4
  • => 320π + 200π/4
  • => 520π/4
  • => 130π cm²

The area of the quarter cylinder is 130π cm².

Answer Link

Otras preguntas

Which correlation coefficient could represent the relationship in the scatterpot
which of the following is equivalent to the expression below? log2-log14 A. LOG(1/7) B. LOG(-12) C. LOG 12 D. LOG 7
Which two points satisfy y = -x2 + 2x + 4 and x + y = 4?
Find the product : 2p (4p² + 5p + 7)
15. How would .89 be put as a fraction? 16. How would .234 be put as a fraction? 17. How would .6 be put as a fraction?
The slope of the line below is 4 . Which of the following is the point slope form of that line ? ( top answer gets )
discuss five reasons why traditional marriage still remains relevant in the Ghanaian society​
Is depreciation defined as spreading costs over time?
Explain the term isomers?​
A teacher is grading exit tickets on the train. It takes him 42.5 seconds to grade each exit ticket, and he will arrive at his destination in 5 minutes. The tea