Do all triangles have right angles why or why not

2 answers:

8 0

No all triangles have right angle a right angle is a angle measurement of 90 degrees. some triangles are equal sides yes like 60 degrees on each angle. and the angle must equal 180 degrees. not 360 that is a whole different shape.

Papessa [141]3 years ago

3 0

Not all triangles have right angles. A triangle is simply a closed figure with three sides and three angles, the sum of the degrees of which add up to 180°.

For instance, an equilateral triangle will will have all three angles equal to each other (60°, 60°, 60<span>°).

Some triangles may have right angles (90</span><span>°), but not all do.
Hope that helped =)</span>

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50 points

Furkat [3]

answer is a or b

explanation

7 0

3 years ago

On a piece of paper, graph f(x) =

nalin [4]

Answer:

The correct option is D

Step-by-step explanation:

We have been given a piecewise function such that:

When x is less than 1, the value of the function f(x) is equal to x. Which means the when x =0, f(x) = 0, when x= -1, f(x) = -1 , when x=-5, f(x) = -5, and so one, as far as x is less than one. It means that the graph of this part is a linear increases/decreases which show the relationship bet f(x) and y.
When x is equals to or greater than 1, the value of f(x) becomes constants that is 1. Hence, at x=1 and after that, the graph neither increases or decreases, as it becomes a straight line at y=1.

Graph of the piecewise function is shown, it matches option D.