Simplify these expressions a) 5x +3x + 2y + 4y b) 6x - 2x + 8y - 6y
1 answer:
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Answer:
6.2832 square units (rounded off to four decimal values)
Step-by-step explanation:
Area of a semicircle = × π × r²
r (radius) = 2 units
For our semicircle the area = × π × 2² = 6.28318530718 square units
Or 6.2832 square units (rounded off to four decimal values)