Answer:
146 m²
Area of triangle:
- 1/2 * base * height
- 1/2 * 16 * 7
- 56 m²
Area of upper rectangle:
- Length * Width
- 8 * 9
- 72 m²
Area of bottom rectangle:
- Length * Width
- 6 * 3
- 18 m²
Total area:
- 18 m² + 72 m² + 56 m²
- 146 m²
What? I don’t under stand
2 answers:
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Answer:
25 times
Step-by-step explanation:
Scale factor is the ratio of dimensions of the image and the preimage.
Scale factor =
Since area of a figure is the square of dimensions.
Area = Length × Width
Therefore, area scale factor will be the ratio of square of the dimensions of image and preimage.
Area scale factor =
= (Scale factor)²
= 5²
= 25
Therefore, area of the image will be 25 times the area of the preimage.
The number of people of the country which is predicted will be illiterate in the year 2025 are 1,300,700.
<h3>What is percentage decrease?</h3>Percentage decrease is the amount deducted or reduced from the initial value in the percentage part.
In the year 2017, an estimated 4,347,000 people in this country are illiterate. With new incentives and funding, The country is hoping to cut that number by 14% every year.
Total year from 2017 to 2025 are 8 years. Thus, use the following formula of compound interest to find percentage decrease:
Here, A is the final population, The initial population is P, the rate is r and the time period is t. Put the values,
Thus, the number of people of the country which is predicted will be illiterate in the year 2025 are 1,300,700.
Learn more about the percentage decrease here;
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