Usman458
Usman458 Usman458
  • 11-08-2016
  • Mathematics
contestada

Help!! include working out please :)

Help include working out please class=

Respuesta :

emowolf101
emowolf101 emowolf101
  • 11-08-2016
If the perimeter of a circle is d*pi, then you would do ((30*3.14)-(20*3.14))/2 to find the perimeter. 30*3.14=94.2 20*3.14=62.8 94.2-62.8=31.4 31.4/2=15.7 cm
Answer Link

Otras preguntas

How do you determine the y-intercept and the x-intercept in an algebraic equation? I'm trying to figure out how to tell which is which. I already know the rule;
What is 2x (to the second power)y (to the fourth power ) times 4x (squared) y (to the fourth power) times 3x over 3x (negative third power) y(squared)
Is a square a parallelogram?
how do we make a graph?
Solve for x in terms of a and b:x^2 - 3ax - 4a^2 = 0x = 4a, x = -a. <<<this is the answer but what are the steps to get it?
I need help with this one , please .  (13)^2(13)^-4(13)^5 = 13^_____    to what power ?    Can you explain please
how were mayan cities organized
What is 2x (to the second power)y (to the fourth power ) times 4x (squared) y (to the fourth power) times 3x over 3x (negative third power) y(squared)
How to factor 985xy +350x^2 +660y^2 by grouping?
Some hot dogs come in packages of 8. Why wold a baker of hot dog buns package 7 hot dog buns to a package?