Answer:
1. 66
2. 54
3. 21.46 cm²
4. 50 cm²
Step-by-step explanation:
perimeter is addition of all sides
try to solve 1 & 2
3. area for square 10x10 = 100
area of circle = pi x r² = 78.54
100 - 78.54 = 21.46
4. 100 ÷ 4 = 25
25 x 2 = 50
pa brainliest and follow. thanks
