Which is the area of a rectangle with a length of 21 feet and a width of 15 feet
2 answers:
Answer:
Step-by-step explanation:
In order to calculate the area of a rectangle, you can use the following formula:
Where "l" is the lenght of the rectangle and "w" is the width.
In this case you know that this rectangle has a length of 21 feet and a width of 15 feet. Then:
Therefore, you can substitute these values into the formula, getting that the area of this rectangle is:
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Answer:
Option B.
Step-by-step explanation:
Consider the below figure attached with this question.
It is given that triangle ABC is an isosceles triangle.
From the below figure it is clear that the vertices of triangle are A(-2,-4), B(2,-1) and C(3,-4).
Distance formula:
Using this formula, we get
Now,
Perimeter of triangle ABC = AB + BC + AC
So, perimeter of triangle ABC is units.
Therefore, the correct option is B.
Answer:
2.25 Years
Step-by-step explanation:
We know that a year has 12 months. So, . We add this to 2 to get 2.25.