BellaBel BellaBel

23-02-2017
Mathematics

contestada

Find the surface area of a cone with a radius, r, of 5cm and a slant height, l, of 5cm.

A. 134.4 cm2
B. 140 cm2
C. 157 cm2
D. 163 cm2

Respuesta :

cameronlgill cameronlgill

23-02-2017

the answer is c 157cm2

Answer Link

ChandrikaP ChandrikaP

23-02-2017

A=πr(r+√h^2+r^2)

A=π*5(5+√25+25)
A=π*5(5+√50)
A=189.61cm

sorry u dont have answer in options

are u sure both height and radius=5 cm?

Answer Link

Otras preguntas

One of the main water lines supplying the houses in a town has broken. The town officials have issued an order telling everyone to boil their drinking water unt

The general process in which molecules move from an area of higher concentration to an area of lower concentration is called ____________. A. osmosis B. diffusi

how do you simplify this ? 8(x - 4) - 6(x - 1) + 9x

What are some ways that propaganda posters were used to influence americans behavior during world war 1

A proposed law is called a

When the Nile flooded, what did it leave behind?

One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross ha

eliminate 3x+2y=4 8x-3y=-6

Why do viruses need living hosts, such as bacteria or eukaryote cells? A) The host cell is the source of food for the virus. B) Viruses depend on the host cells

8 minus the quotient of 15 and y