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We can find Polar coordinates for the given angle by pythagorean theorem. This will help to find the longest

side.

r2 = (15)

r = √(225 + 100) = 18

Use tangent function and find angle

Tan(θ) = 10/15 ; θ = tan

θ = 33.69 °

Answer Polar coordinates (18,33.69°).

We can find Polar coordinates for the given angle by pythagorean theorem. This will help to find the longest

side.

r2 = (20)

r = √(400 + 64) = 21.54

Use tangent function and find angle

Tan(θ) = 8/20 ; θ = tan

Answer Polar coordinates (21.54,21.8°)