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Two methods to try .
#1 Use pythagoras h^ = a^2 + a^2 NB THis is only good if you know that the two unknown sides are the same length.
#2
Use trigonometry (trig.) This is good if you know the hypotenuse and one of the angles.
Sine(angle) = opposite/ hypotenuse
Hence
opposite side = hypotenuse X sine(angle)
Similarly
Cosine(angle) = adjacent / hypotenuse.
adjacent side = hypotenuse X Cosine(angle)
Here is an example
If you known the hypotenuse is a length of '6' and the angle is 30 degrees.
Then
opposite = 6 X Sin(30)
opposite = 6 x 0.5 = 3
So the length of the oppisute sides is '3' units.
NB DO NOT make the mistakes of saying Sin(6 X 30) = Sin(180) Nor 6 x 30 , nor Sin(6) X 30 , nor any other combination.
You MUST find the SINE of the angle , then multiply it to the given length.
Similarly for Cosine and Tangent.
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How do you find the missing length of a triangle?
You use the Pythagoras Theorem if it is a right-angled triangle. a squared + b squared = h (longest side, diagonal) squared, then square root h to find the longest side. if it is not a right angled triangle, then use the Sine or Cosine rule. Sine rule for: two angles and any one side or two sides and an angle that is not in between the sides. Cosine rule for: all three sides (but then you do not need to find a missing side) or two sides and an angle that is in between.
How do you find the two missing sides of a right triangle?
Yes you can but you'll probably be wrong seeing that you're so stupid that you have to resort to wikia answer you sped
Can you find the length of the sides of a right triangle knowing only the hypotenuse?
No.
How can you find a missing side or angle of a right triangle?
180 minus two known angle = missing angle. Use Pythagoras' theorem to find its missing side.
How do you find the missing side of a 45 45 90 triangle?
Since 2 of it's angles are equal (45 degrees), you have an isoceles triangle. Hence, two of its sides are the same. Since the other angle is 90, you have a right angle triangle. This means that if you're missing the hypotenuse, you can use the Pythagorean theorem to find it. H^2 = A^2 + B^2 Where H is the length of the hypotenuse, and A and B are the lengths of the other 2 sides. (Here, A = B).
Find the missing side of a right triangle whose hypotenuse is 13 if one of the sides of the triangle is 5?
12
How do you find a missing side of a triangle?
The way to find the missing side of a triangle-THIS ONLY WORKS ON RIGHT ANGLED TRIANGLES-is square both sides seperately and then add them together to give you the square of the missing side-find the square root and that is the size of the missing side-eg. if you have a RIGHT ANGLED TRIANGLE with sides of 3inch and 4inch then (3x3) + (4x4) = 25 so the square root of 25 is 5 meaning the missing side is 5inch.
How do you find a missing side to a right triangle?
A triangle always has 180 units. You would have to add up the two sides and subtract that from 180.
How do you find the missing side from a right triangle?
to find the missing side of a right triangle you need the pythagorean theorem. A2 + B2 = C2. c is the longest side and a and b is the other sides. no particular side is a or b just the longest side is c.
How do you find a missing angle of a right triangle given two sides?
180-x-y (x and y are the sides you already know) there are 180 degrees in a triangle. The remaining # is the last angle
What is the formula for perimeter of a right triangle when one side is missing?
Surely you know how to find the third side of a right triangle, when you know the lengths of the other two. Find it, and then add up the lengths of the three sides to get the perimeter.
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 do you find the missing length of a triangle?
You use the Pythagoras Theorem if it is a right-angled triangle. a squared + b squared = h (longest side, diagonal) squared, then square root h to find the longest side. if it is not a right angled triangle, then use the Sine or Cosine rule. Sine rule for: two angles and any one side or two sides and an angle that is not in between the sides. Cosine rule for: all three sides (but then you do not need to find a missing side) or two sides and an angle that is in between.
How do you find the two missing sides of a right triangle?
Yes you can but you'll probably be wrong seeing that you're so stupid that you have to resort to wikia answer you sped
How do you find a missing side of a triangle without a right angle?
Having sufficient angles or sides one can use either, The Law of Sines, or, The Law of Cosines. Google them.
How do you find the length to a missing side of a right triangle?
Pythagorean Theorem: a2 + b2= c2 where c is the hypotenuse of a right triangle. Hypotenuse is the side of a right triangle opposite to the right angle.
What does Pythagoras famous theroem involve?
It involves a right triangle. If a length is missing in a right triangle, you can find it out by using the other two lengths.
