Question

Find the area of each shape correct to 1 d.p. ( use 3.14 for pie )​

Answer 1

Answer:

1. Area = 2πr

area = 6.28cm^2

2. area = lb

area = 12cm^2

3. area = 2πr

area = 12.56cm^2

Answer 2

Answer:

12.56 cm²,3.14 cm²,12 cm²

Step-by-step explanation:

Area of semicircle= πr²= 3.14*2*2= 12.56 cm²

Area of another semicircle= πr²= 3.14*1*1=3.14 cm²

Area of rectangle= l*b= 4*3 cm²= 12 cm²