<h2>(x, y) = (21/13 , 84/13)</h2>
Step-by-step explanation:
x + 3y = 21
- 4x + y = 0
y = 4x
<h2>_____________</h2>
x + 3y = 21
x + 3(4x) = 21
x + 12x = 21
13x = 21
x = 21/13
y = 4x
y = 4 (21/13)
y = 84/13
(x, y) = (21/13 , 84/13)
Answer:
Parallelogram
Step-by-step explanation:
Parallelograms have 2 sets of parallel sides, hence the name.
It should be 120 to my thingy unless i miss understood the question send a pic
Answer:
According to the pythogorean theorem, this triangle is not a right triangle.