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Earn +20 ptsQ: How do you work out the perimeter of a right angled triangle?
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How do you work out the perimeter of a non right-angled triangle?
-- Measure or calculate the length of each of its 3 sides. -- Add the lengths of its 3 sides. -- The sum is the perimeter of the triangle.
How do you find the perimeter of a right angled triangle if you have one side missing?
Use two sides and Pythagoras's theorem to work out the third side. Then simply add the three sides.
How would you work out the perpendicular height of a triangle if they give you the area?
I think you need at least one other piece of information. A length of a side? An angle? Is it a right angled triangle?
What is the perimeter of a right angle triangle that has an hypotenuse of 16.25 cm and an area of 46.875 square cm?
Using Pythagoras' theorem and the quadratic equation formula the sides of the triangle work out as 6.25 cm and 15 cm. Therefore the perimeter of the right angle triangle is: 6.25+15+16.25 = 37.5 cm
How do you work out the hypoteneuse side of an isosceles triangle if the triangle is not right-angled and two of the sides and the angle between them are known?
Use the cosine rule: a2 = b2+c2 - 2bc*cos A An isosceles triangle has two equal sides.
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