find area of 1 small bubble
πr² = π × 5²
= 78.54
total area of 4 small bubble
78.54 × 4 = 314.16
total area of 4 small bubble = area of big bubble
= 314.16
find it's radius
πr² = 314.16
r² = 314.16 ÷ π
r² = 100
r = √100
r = 10
Answer:
True
Step-by-step explanation:
Answer:
88.2*3.5742=315.24
Step-by-step explanation:
88.2*3.5742=315.24
Its really easy. just look at the middle line. now the sides are only the answers including the square roots. so the line in the middle represents 12. The answer is 12
