The perimeter of a triangle is 56 cm if two of its sides are 7 cm and 24 cm then find the third side

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How can you find the missing side of a triangle given the perimeter?

Since the perimeter is the sum of the lengths of all sides, you can solve for the missing side by subtracting the lengths of the other 2 sides from the perimeter.
How can you find the perimeter of a triangle if one side is missing?

If it’s a right triangle, you can use the Pythagorean theorem (a2 + b2 = c2) to find the length of the missing side. From there, you can easily calculate the perimeter. For other types of triangles, you can use the law of cosines to find the perimeter if you know 2 sides and at least 1 of the angles.
Can you find the perimeter if only one side is given?

If you know only 1 side but all 3 angles, you can use the rule of sines to find the remaining sides, then calculate the perimeter. If you know 1 side and 1 angle, you won’t be able to find the perimeter unless you’re dealing with a right triangle. For right triangles, you know that 1 angle is always 90°, so if you know another angle, you can use the sum of angles (180°) to figure out the third one. From there, you can use the laws of sine and cosine to figure out the other sides.
Can I solve the perimeter of a triangle if I'm only given three included angles?

No. You can know the exact shape of the triangle from the angles but nothing about its size, so the perimeter could be anything. (At least for Euclidean geometry; in spherical geometry, all similar triangles are congruent so you do know the scale and thus the perimeter.)
Two sides of a triangle are each 7 cm long. The length of the third side is an integer number of centimeters. At most how many centimeters do the perimeter of the triangle measure?

Triangle inequality says no side can be longer than the sum of the other two. If the third side were 14 cm, it would make a line segment, not a triangle, but the next integer smaller 13 cm works. That makes a perimeter of 27 cm.
The base of an isosceles triangle is 4/3 cm. The perimeter of the triangle is 42/15 cm. What is the length of either of the remaining equal sides?

Subtract 4/3 from 42/15, then divide by 2.
How do I determine the perimeter of a triangle when I only know the base and height?

You can't find the perimeter with just the base and height because you need the measure of at least two sides and an angle between them.
If an angle is 5 degrees and two sides are 10 feet, what is the formula to figure out the third side?

It depends on where the angle is situated in relation to the two sides.
How do I find a perimeter of where sides a = 8.1, b = 16.1, c = 18 and height = 6?

If you know all three side lengths, that's all you need. Add the three sides together. The height is not needed.
If I fold a square in half to make a triangle, what is the perimeter?

You have to use the base and length, and then measure the slant, or use the Pythagorean Theorem to find the slant.

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Page 2

Question 23 Exercise 10.1

Answer:

Solution:

Let the length of the third side be x cm.

The length of the other two sides is 12 cm and 14 cm.

Now, the Perimeter of triangle = 36 cm

$12+14+x=36$

$26+x=36$

$x=36-26=10$

Thus, the length of third side is 10 cm.

Video transcript

Hello students, welcome to the Lido learning. So here the question is two supplementary angles are Phi x minus 82 degrees + 4 x + 73 degrees. So here we have to find the value of the X. So let us write it starts the answer. So here solution is supplementary angles are 180 degrees, right? So here the equation is 5X minus 82 degrees plus 44 x + 73 degrees is 180 degrees. So you're freaking observe 9x minus 9 9 x minus 9 is equal to 180 degrees. So 9 x if we sent to the right-hand side we get 9x is equals to 1 89. So here if we send mine from multiplying to the right-hand side dividing. Sorry. Sorry. Sorry dividing X equals to one eighty-nine by nine is equal to the answer the final answer we get the x value is 21 degrees. Thank you for watching our video. A subscriber to our Channel and feel free to ask doubts in the comment section below. Thank you.