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How do you work out the perimeter of scalene triangle?
By adding the three sides.
How do you work out the area of a scalene triangle?
The area of any triangle has the same formula, which is base times height, divided by 2. A scalene triangle is a triangle with three sides of unequal length, which is not important when calculating the area.
When does the pythagoream therom not work?
When a triangle is not a right triangle
How do you work out the all three angles in a triangle of 180?
Use a protractor or if you know 2 of them then subtract these from 180 which will give you the 3rd angle because the 3 angles in any triangle always add up to 180 degrees.
How do you work out all three angles of a triangle?
Well, first of all, the angle sum of a triangle is 180o therefore all three angles must equal that.You will most likely get given degree of two angles and will be left with an unknown one. This will be worked out by:Adding the two angles together = _______Subtract that answer by the angle sum of a triangle 180o.That's your answer...hope this helped :)
