Because this is a second degree equation you will have 2 solutions. When you take the square root of a number you have to account for both the positive and negative roots. Since the square root of 289 is 17 then your solutions are +17 and -17.
Answer:
cosine
Step-by-step explanation:
90/2 = 45 degrees twices
These both are 45 degrees which is less than 90
Answer:
1 3/4 or 7/4 or 1.75
Step-by-step explanation:
Answer:
Scalene type of triangle
Step-by-step explanation:
It can't be isosceles triangle because has at least one line of symmetry and an equilateral triangle has three lines of symmetry... While scalene does not have enough space to have sides with equal length.