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If you know the length of the sides but not the diagonal, you can use the Pythagorean Theorem.
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How do you find the side of a square if you know its diagonal?
Divide the length of the diagonal of a square by 1.4142 (which is the square root of 2) to find the length of a side. Similarly, to find the length of the diagonal of a square, multiply the length of a side by 1.4142.
How do you find the diagonal of a square?
If you know the length of the side, multiply it by the square root of 2.
How do you find the length of a diagonal in a cuboid?
To find the diagonal in a cuboid, we use Pythagoras' Theorem in 3 dimensions. If we call the diagonal D, and the 3 dimensions of the cuboid (length, width, height) a, b and c:D=sqrt(a2+b2+c2)Example: The cuboid has dimensions of 4, 6 and 8. Find the Diagonal.D=sqrt(42+62+82)D=sqrt(16+36+64)D=sqrt(116)D=10.8 (3sf)Diagonal = 10.8 (3sf)
How do you use the pythagorean theorm to find the length when all you have is the diagonal?
Yes you have to use the pythagorean theorm to find the length of a right triangle. But you must subtract A2 from C2 then square root the answer.
How do you find the length of a diagonal?
In general, you measure it. In a few special cases you may be able to use geometry or trigonometry.
How do you find the side of a square if you know its diagonal?
Divide the length of the diagonal of a square by 1.4142 (which is the square root of 2) to find the length of a side. Similarly, to find the length of the diagonal of a square, multiply the length of a side by 1.4142.
The perimeter of a rhombus is 40cm and the length of one diagonal is 16cm find the length of the other diagonal?
The length of the other diagonal works out as 12cm
How do you find the diagonal of a rectangle if you know the length and the angle?
You need to use trigonometry cosine (angle) = length/diagonal diagonal = length/cos(angle)
The length of a rectangle is 2 cm and the width is 3 cm Find the length of the diagonal?
The diagonal is 3.61cm
When you know the sum of lengths of diagonal of a square how to find each diagonal?
To find the length of each diagonal of a square, divide the sum of the diagonal lengths by 2. Since a square has two diagonals of equal length, this division will give you the length of each diagonal.
How do you count the number of squares crossed by the diagonal in a rectangle?
To find the length of a diagonal in a rectangle, use the Pythagorean method. Diagonal length = square root(length squared + height squared).
Sides of a parallelogram are 15 cm and 8 cm. find the length of each diagonal if the larger angle is 100 degrees?
The length of the diagonal which is to opposite of 100⁰ angle is: diagonal length = √[152 + 82 - 2(15)(8)cos 100⁰] diagonal length ≈ 18 The length of the diagonal which is to opposite of 100⁰ angle is: diagonal length =√[152 + 82 - 2(15)(8)cos 80⁰] diagonal length ≈ 16
How do your find the diagonal measurement for 120 by 150?
If they are the dimensions of a rectangle then use Pythagoras' theorem to find the length of the diagonal.
How do you find the length of a rectangle knowing ONLY the diagonal and the width?
You square the width and subtract it from the diagonal squared. Then find the square root of this number, this number is now the length.
What is the diagonal of a 33 inch square?
Use Pythagoras' theorem to find the length of the diagonal in the square
How do you find the length of a diagonal in a cube?
The side of a square is is cube root of 2cm. Find the length of the diagonals.
How is the length of a diagonal of a square found?
As a square has right angles, the diagonal forms a right triangle with two of the sides of the square. Therefore use Pythagoras: diagonal² = side² + side² → diagonal² = 2side² → diagonal = side × √2 Therefore to find the length of the diagonal of a square, multiply the side length of a square by the square root of 2.
