Answer:
answer 1. 1256.64
explanation 1.
y=10 inches
S=42r²
=42×10²
= 4007 42₂ = 3,14} 亿=3.143
~1256.64
answer 2. Hence, total surface area is 534.2 dm².
explanation 2.
Given: A cylinder with base redius 5dm and height 12dm.
To Find : Area (Total surface area). salution; Total surface area = 2πr² + 2πrh
= 2 r(r+h) = 2x2²x5 (5+12)
2x22x5x17
7 3740 二
7 534.2 dm².
Step-by-step explanation:
hope it's helps
diko alam sa 3 sorry.
