Asked by patience daniel
q1 a cone has a base radius of 5cm and height of 12cm(a)calculate it slant height (b)calculate it total surface area,leave answer in terms of it
Answers
Answered by
MathMate
base radius = r = 5 cm
cone height = h = 12 cm
Use Pythagoras theorem to find slant height
slant height, L = sqrt(5²+12²)
=sqrt(169)=13 cm
Total surface area
= π r²+πrL
Substitute numerical values to get numerical answer.
cone height = h = 12 cm
Use Pythagoras theorem to find slant height
slant height, L = sqrt(5²+12²)
=sqrt(169)=13 cm
Total surface area
= π r²+πrL
Substitute numerical values to get numerical answer.
Answered by
patience daniel
pls help me out,dis is my first time
Answered by
pratik
13cm
Answered by
Isaac
Pleasea help me out am stock
Answered by
EMEKA
YES
Answered by
Anonymous
Using pythagoras rule
L^2/l square. 5^2 + 12^2.
25+144=169.
L=square of 169=13
Slant 13cm
L^2/l square. 5^2 + 12^2.
25+144=169.
L=square of 169=13
Slant 13cm
Answered by
Success
Anonymous , pratik and mathmate are correct👏👏👏👍🤗🤔
Answered by
Adaeze
Answer is 13
Answered by
Adaeze
Answer is 13cm
Answered by
Anonymous
Help me do the working of a cone has a base radius of 5cm and height Of 12cm and total surface area
Answered by
Martylee
A cone has a base radius of 5cm and height of 12cm calculate it, volume please tell me the answer only
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