Find the area of the shaded part of the rectangle if the area of the shaded part of the shape is 40% of the entire rectangle.
July 24, 2021 | education
| Let’s calculate the area of the rectangle:
5 * 7 = 35 cm2 – the area of the rectangle.
Let’s calculate the area of the filled part of the rectangle, making the proportion:
35 – 100%,
f – 40.
f = 35 * 40: 100;
f = 1400: 100;
f = 14 cm2 – area of the shaded part.
Answer: 14 cm2.
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