It depends on which of the sides is x.
The length of each side is: (12x+21)/3 = 4x+7
A triangle is right triangle if square of the longest side is equal to sum of squares of other two sides. Square of 24 = 576 Sum of square of 9 and 21 = 92 + 212 = 81 + 441 = 522 576 ≠522. It is clear that triangle is not a right triangle.
It seems that we have a triangle whose length sides are 21 cm and 5 cm. So that the third side would have a length which can be smaller than 21 + 5 = 26 cm, and bigger than 21 - 5 = 19 cm (19 cm < PR < 26 cm).Thus, all the numbers between 19 and 26 could be the length of the third side of the given triangle.
Using the Pythagorean theorem: 20²+21² = 400+441 = 841 = 29² So the hypotenuse is of length 29
There is not enough information to calculate the two missing sides.
If it's a right angle triangle then use Pythagoras' theorem to find the 3rd side
The length of each side is: (12x+21)/3 = 4x+7
An equilateral triangle has three sides of the same length. Therefore, the length of each side of an equilateral triangle with a perimeter of 63 metres is equal to 63/3 = 21 metres.
72 inches
A triangle is right triangle if square of the longest side is equal to sum of squares of other two sides. Square of 24 = 576 Sum of square of 9 and 21 = 92 + 212 = 81 + 441 = 522 576 ≠522. It is clear that triangle is not a right triangle.
It seems that we have a triangle whose length sides are 21 cm and 5 cm. So that the third side would have a length which can be smaller than 21 + 5 = 26 cm, and bigger than 21 - 5 = 19 cm (19 cm < PR < 26 cm).Thus, all the numbers between 19 and 26 could be the length of the third side of the given triangle.
No it is not. To be a right triangle the largest number squared has to equal the sum of the squares of the other two sides (Pythagorean theorem).
Not enough information has been given to work out side A such as any of its angles upon which the sine rule could have been used to find side A but if the given triangle is a right angle triangle then side A is 28 which conforms to Pythagoras theorem for a right angle triangle.
Using the Pythagorean theorem: 20²+21² = 400+441 = 841 = 29² So the hypotenuse is of length 29
There is not enough information to calculate the two missing sides.
No.
The volume of a cube with side length of 21 inches is 9261 cubic inches