Asked by Steve
Which of the triangles described in the table is a right triangle?
side 1 side 2 side3
q 25 20 15
r 26 20 46
s 25 20 1025
t 25 26 650
I think that it is R
side 1 side 2 side3
q 25 20 15
r 26 20 46
s 25 20 1025
t 25 26 650
I think that it is R
Answers
Answered by
Swaastikaa
The answer is S.
A right angle triangle follows Theorem Phytagoras rule. The sum of squares of 2 sides = length of the 3rd side
For S, 25^2 + 20^2 = 1025
A right angle triangle follows Theorem Phytagoras rule. The sum of squares of 2 sides = length of the 3rd side
For S, 25^2 + 20^2 = 1025
Answered by
Steve
Not quite. sum of squares is the square of the 3ed side.
We all know of the 3-4-5 triangle.
Scale that up by a factor of 5 and you get a 15-20-25 triangle. (q)
(s) and (t) are just way off. We know that for <b>any</b> triangle, each side is less than the sum of the other two.
We all know of the 3-4-5 triangle.
Scale that up by a factor of 5 and you get a 15-20-25 triangle. (q)
(s) and (t) are just way off. We know that for <b>any</b> triangle, each side is less than the sum of the other two.
Answered by
Swaastikaa
Square of the 3rd side is the hypothenuse.
If we square root 1025, we'll get 5sqrt(41).
5sqrt(41) - 20^2 = 625 = 25^2
If we square root 1025, we'll get 5sqrt(41).
5sqrt(41) - 20^2 = 625 = 25^2
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