Answer:
the answer is=21
Step-by-step explanation:u have to sum all of its sides(length+breadth+height).
No it is a obtuse triangle
Step-by-step explanation:
b=(-10-a)/4
First factor out the common number:3
Then divide both sides by 3
Then simplify 30/3 to 10
Then subtract a to get your answer
X=4
Answer: 0.75
-4.125/-5.5 = 3/4 or 0.75
-4.125/0.75 = -5.5