Find the area of this sector and composite shape. Write your answer as an exact value and as a decimal, correct to two decimal places. Please someone answer

A= 20,58m²

Step-by-step explanation:

the side opposite to what is worth 6m is the diameter of the half circle to the left. I calculate the circumference of the circle (diameter multiplied by π), so 6 × π = 18.84

since the circumference is not whole but only half, we divide the result in half: 9.42 (the length of the half circle).

formula for the area of the rectangle: base multiplied by the height all divided by 2: (10×6)/2= 30m²

we subtract half the circumference: 30-9,42=20,58m²

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step-by-step explanation:

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a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²