lukefrancis029 lukefrancis029

16-06-2021
Mathematics

contestada

Find the perimeter of this semi-circle with radius, r = 22cm. Give your answer rounded to 1 DP.

Respuesta :

Аноним Аноним

16-06-2021

Answer:

69.1 cm

Step-by-step explanation:

Circumference of a circle

c = 2πr

Half of that would be a semi-circle

c = πr

c = π * 22

c = 69.115038379

Rounded

69.1 cm

Answer Link

Otras preguntas

which of the following was one reason that ww2 alliances broke down following the end of the conflict

In a body of water, the surface tension caused by the attraction between water molecules is strong. Which of the following is a consequence of this property? -

I WILL GIVE BRAINLYEST! Which of the following sentences is punctuated correctly? 1 That book isn't mine; it's hers 2 That book isn't mine; it's hers'.

if 5430 J of energy is used to heat 1.25 L of room temp. water (23.0 °C) whats the final temp of the water?

What modern day countries covered Charlemagne’s empire?

uss addition or substitution to find the value of 'x' for this set of equations y=x-2 7y-4x=10

Identify 3 common urinary complaunts,list signs &symptoms. Identify patient prevalence if applicable. Identify the 3 mosr common tests for the complaints de

The chemical equation below shows the combustion of propane (C3H8). C3H8 + 5O2 mc012-1.jpg 3CO2 + 4H2O The molar mass of oxygen gas (O2) is 32.00 g/mol. The mol

Which of the following is a temporary magnet made by placing a piece of iron inside a current-carrying coil of wire

Humans are dependent on _______ for their food supply. a. water b. biomass c. fossil fuels d. timber