Find the area of the triangle below: height = 266+1 cm, base = 46 cm. (Not to scale) Find the area of the annular ring-shaped shaded region: Area - Measurements in cm: R = 15 cm, r = 10 cm. Use π ~ 3.14. (Not to scale)
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1) / 2 = 6,121.3 cm² Show more…
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