Answer:
1. 200.96m²
2. 254.34in.²
3. 314yd.²
4. 113.04cm²
5. 50.24ft²
Step-by-step explanation:
1. A = πr²
r = 8m π = 3.14 (always)
SUBSTITUTE
A = (3.14)(8)²
⇨(3.14)(64)
A = 200.96m²
2. A = πr²
r = d/2 d = 18in.
r = (18)/2 ⇨ r = 9
A = (3.14)(9)²
⇨(3.14)(81)
A = 254.34in.²
3. A = πr²
r = 10yd.
A = (3.14)(10)²
⇨(3.14)(100)
A = 314yd.²
4. A = πr²
r = 6cm
A = (3.14)(6)²
⇨(3.14)(36)
A = 113.04cm²
5. A = πr²
r = 4ft
A = (3.14)(4)²
⇨(3.14)(16)
A = 50.24ft²
sana nakatulong :)
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
1. 200.96m²
2. 254.34in.²
3. 314yd.²
4. 113.04cm²
5. 50.24ft²
Step-by-step explanation:
1. A = πr²
r = 8m π = 3.14 (always)
SUBSTITUTE
A = (3.14)(8)²
⇨(3.14)(64)
A = 200.96m²
2. A = πr²
r = d/2 d = 18in.
r = (18)/2 ⇨ r = 9
SUBSTITUTE
A = (3.14)(9)²
⇨(3.14)(81)
A = 254.34in.²
3. A = πr²
r = 10yd.
SUBSTITUTE
A = (3.14)(10)²
⇨(3.14)(100)
A = 314yd.²
4. A = πr²
r = 6cm
SUBSTITUTE
A = (3.14)(6)²
⇨(3.14)(36)
A = 113.04cm²
5. A = πr²
r = 4ft
SUBSTITUTE
A = (3.14)(4)²
⇨(3.14)(16)
A = 50.24ft²
sana nakatulong :)