rohinik4599
rohinik4599 rohinik4599
  • 02-06-2016
  • Mathematics
contestada

how do you work this question out at the bottom? please help?????

how do you work this question out at the bottom please help class=
how do you work this question out at the bottom please help class=

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 09-06-2016
Question Q1:
Surface area of the cone:
[tex] \pi r l + \pi r^{2}=125 \pi /: \pi rl+ r^{2}=125 5l+ 5^{2}=125 5l+25=125 5l=100 l=100:5=20 [/tex]
Answer: l=20 cm.
Answer Link
Prettypuinkpaws15
Prettypuinkpaws15 Prettypuinkpaws15
  • 10-06-2016
Surface area of the cone:

Answer: l=20 cm.
Answer Link

Otras preguntas

What value of x makes the equation true ? 4(2x-4)=16
find the circumference of a circle whose radius is 15.4cm
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
What value of x makes the equation true ? 4(2x-4)=16
find the circumference of a circle whose radius is 15.4cm
In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times
find the circumference of a circle whose radius is 15.4cm
In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times