Answer:
No, it is not a right triangle.
Step-by-step explanation:
The simplest way to determine is testing out the numbers with Pythagorian theorem.
If it complies with the theorem, it is a right triangle.
let's assume c = 28, b = 21, and a = 20
the longest side is the hypotenuse so side c (28 in) will be the hypotenuse.
According to the Pythagorian theorem, the square of the length of hypotenuse must equal to the sum of squares of other two sides.
check:
c^2 = 28^2 = 784
a^2 + b^2 = 21^2 + 20^2 = 841
because c^2 is not equal to a^2 + b^2, the triangle is not a right triangle.
Answer:
3hours and 30 minutes moving and 2 and a half hours stationary
Step-by-step explanation:
1 hour + 30 minutes + 1 hour + 30 minutes + 30 minutes for moving
1 hour + 1 hour + 30 minutes for stationary.
Give me more points, and I will ;)
Answer:
- 1
Step-by-step explanation:
Slope of the line
![= \frac{3 - 4}{5 - 4} \\ \\ = \frac{ - 1}{1} \\ \\ = - 1](https://tex.z-dn.net/?f=%20%3D%20%20%5Cfrac%7B3%20-%204%7D%7B5%20-%204%7D%20%20%5C%5C%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B%20-%201%7D%7B1%7D%20%20%5C%5C%20%20%5C%5C%20%20%3D%20%20-%201)