Answer:
1. (Convert cm into m: 5cm= 0.05m)
A=πrl+πr2
l=r2+h2
Solving for A
A=πr(r+h2+r2)=π·6·(6+0.052+62)
≈226.1986m or 22, 619.86 cm
2. (18 inches diameter of the cone will be divided into 2 to make it radius,so our radius is 9 inches)
(Convert cm into inches: 12cm= 4.72441 inches)
Solving forA
A=πr(r+h2+r2)=π·9·(9+4.722+92)
≈541.86763 inches or 1, 376.34 cm
3.A=πr2=π·162
≈804.24772 inches
4. (16 inches diameter of the cone will be divided into 2 to make it radius,so our radius is 8 inches)
A=πr(r+h2+r2)=π·8·(8+222+82)
≈789.40 inches
5. A=πrl+πr2
A=πr(r+h2+r2)=π·3·(3+82+32)
≈108.79967 cm
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Answers & Comments
Answer:
1. (Convert cm into m: 5cm= 0.05m)
A=πrl+πr2
l=r2+h2
Solving for A
A=πr(r+h2+r2)=π·6·(6+0.052+62)
≈226.1986m or 22, 619.86 cm
2. (18 inches diameter of the cone will be divided into 2 to make it radius,so our radius is 9 inches)
(Convert cm into inches: 12cm= 4.72441 inches)
A=πrl+πr2
l=r2+h2
Solving forA
A=πr(r+h2+r2)=π·9·(9+4.722+92)
≈541.86763 inches or 1, 376.34 cm
3.A=πr2=π·162
≈804.24772 inches
4. (16 inches diameter of the cone will be divided into 2 to make it radius,so our radius is 8 inches)
A=πrl+πr2
l=r2+h2
Solving forA
A=πr(r+h2+r2)=π·8·(8+222+82)
≈789.40 inches
5. A=πrl+πr2
l=r2+h2
Solving forA
A=πr(r+h2+r2)=π·3·(3+82+32)
≈108.79967 cm
Sana nakatulong po!
Please leave it with heart (THANKS) and stars
Add nyo po din ako
Maraming salamat po