If (3 – x) + (6) + (7 - 5x) is a geometric series, find two possible values for х b the common ratio C c the sum of the GP.
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Solution
Step 1
Write an expression for the area of sector
Where
θ = 52°
π = 3.14
r = 8cm
Step 2
Find the area of the sector after substitution of values into the formula above.
To the nearest tenth the area of the shaded sector of circle C = 29.0cm²