cairt017309 cairt017309
  • 20-02-2022
  • Mathematics
contestada

Find the perimeter of this semi-circle with diameter, d = 39cm. Give your answer rounded to 1 DP.

Respuesta :

mbogapaul2
mbogapaul2 mbogapaul2
  • 20-02-2022

Answer:

p=1/2*3.14+d

1/2*3.14*19.5=30.615

=30.615+39

=69.615

=69.6

Step-by-step explanation:

since it's half a circle we take the formula of acricle to be half

Answer Link

Otras preguntas

Can someone help me Btw the last one say current
Describe the specific safety practices and procedures that they need to observe when assembling, wiring and testing electrical components mounted in enclosures
The sound level of a jet plane is approximately 140 dB. The intensity of the sound of a jet plane is approximately .
5) Last week a Pizza Hut sold 36 cheese pizzas, 64 pepperoni pizzas, and 20 veggie pizzas. Based on these data, which number is closest to the probability that
things I learn during lockdown speech​
What does this excerpt from Book 21 of Homer's Odyssey reveal about Ulysses's wife, Penelope? To whom the queen: "If fame engage your views, Forbear those acts
I can tell Name two foods each rich in ​
The role of grease in food processing?​
The system of equations has no solution: True or False? y = (2/3)x - 5 4x - 6y = 30
Select the correct answer. Why was the Bill of Rights included in the Constitution? A. to protect the rights and freedoms of individual citizens B. to put gov