3 years ago

PLEASSEEEE HELPPPP!!!!!

1 answer:

3 0

Answer:

-3, -1

Step-by-step explanation:

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kipiarov [429]

Answer:

Step-by-step explanation:

This expression can be rewritten as

----

======

---

If we now invert the denominator fraction 4/9 and multiply the result, we get:

8 9

----- * ----- = 2

9 4

5 0

2 years ago

weqwewe [10]

Answer:

Obtuse

Step-by-step explanation:

You have to make sure it is a triangle by adding the smallest and the medium sides, if the result is greater than the bigger side then it is a triangle.
you then use the Pythagorean theorem to check if the triangle is a right triangle, acute, or obtuse. If $c^{2}$ = $a^{2} +b^{2}$ then it is a right triangle. If $c^{2} >a^{2} + b^{2}$ then it is an obtuse triangle. if $c^{2} < a^{2} +b^{2}$ then it is an acute triangle.