Geometry-Angles-Triangles- I need help
1 answer:
Answer:
<u>The closest answer to this is C=12</u>
Step-by-step explanation:
With isosceles triangles we know 2 sides are equal and the base angles are equal. We have to find the value of x which is the third side of the triangle. We can see half of x is the third side of another triangle formed. we can use the Pythagorean theorem find the leg of half of one of the triangles.
We have to take the square root of this to get 1/2 of x..
B= about 6.35591651
If we muiltply this by 2 we get around 12.711833
<u>The closest answer to this is C=12</u>
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First, we need to find the area of the two rectangles in this picture. We know that area = l*w.
So for the larger rectangle, we know the l = 100 m, and the w = 60 m. Let us find the area:
So the larger rectangle area is 6000 m.
The smaller rectangle has dimensions that are 2 m less on every side. So we can recalculate these dimensions as l = 96 m and w = 56 m.
Let's find the area of the smaller rectangle:
So we know that the area of the smaller rectangle is 5,376 m.
The area of the jogging path is going to be the difference between these two rectangles. Let us solve:
So now we know that the area of the jogging path is
.
So for the larger rectangle, we know the l = 100 m, and the w = 60 m. Let us find the area:
So the larger rectangle area is 6000 m.
The smaller rectangle has dimensions that are 2 m less on every side. So we can recalculate these dimensions as l = 96 m and w = 56 m.
Let's find the area of the smaller rectangle:
So we know that the area of the smaller rectangle is 5,376 m.
The area of the jogging path is going to be the difference between these two rectangles. Let us solve:
So now we know that the area of the jogging path is