Seudónimo Seudónimo

12-08-2020
Mathematics

contestada

find the perimeter of the quadrant whose radius is 21cm

Respuesta :

FaDaReAdEoLa FaDaReAdEoLa

12-08-2020

Answer:

75 cm

Step-by-step explanation:

∅=90° , r = 21 cm

Arc length= (2πr∅)/360

=(2π×21×90)/360

=33 cm

Perimeter= arc length + 2(radius)

=33+2(21)

=33 + 42

= 75 cm

Answer Link

Otras preguntas

HELP PLEASE! Select the noun phrase to complete the sentence. David______lives in Alberta, Canada. a) works and b) ,with the dark hair, c) ,my younger brother,

Saving some private time for yourself and learning to "pigeonhole" problems are two examples of

What is the difference between –4 and 6?

Which of the following are included in M3?

1. The original title of Wiesel’s memoir was And the World Remained Silent. What role does silence play in the book? How does this original title show Wiesel’s

Which of the following was Not a point of contention during the constitution convention

Where is the problem of air pollution most severe? rural areas urban areas mountain areas coastal areas

i need to find the tax rate as a percent if the total was $295 and the tax was $7.50

Kaddo dies at the end of kaddo's wall which explains how this develop the theme of the story

When your eight-month-old sister is babbling, she is most likely using sounds called?