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the angle in a rectangle is 90 degress

angles in a equilateral triangle is 60 degree each.

in this question they usually give you the triangle at an angle and give you what the angle is. so if you add them together they should all add to 90 degrees.

so basically the trick is in what type of triangle it is.

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Q: Here is an equilatral triangle inside a rectangle how do you calculate the value of x?

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All three angles inside an equilateral triangle are 60 degrees each.

i dont really know can u tell me?

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ok, i figured it out. the length of the triangle is 5, 4, 3. the four is 1/2 the length of one side of the rectangle. so the rectangle sides are 8, 8, 3, 3 (one three being one side of the rectangle as well)

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(8x5)-(7x4)=12cubic feet

If you want to figure out just the area of the triangle, the formula is base times height divided by 2. It does not matter if it is inside a square, as long as you have the legnths of all they sides you need to calculate the area of that triangle. If you do not, It would be very difficult.

An inscribed triangle.

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