Answer:
It is A I took it but I am not sure
Step-by-step explanation:
S1 = x
s2 = 2x
s3 = 3x - 3
51 = s1 + s2 + s3
51 = x + 2x + 3x - 3
54 = 6x
9 = x
The length of the first side is 9
Answer:
They are both 122 degrees
Step-by-step explanation:
Answer:
Southwest, creating an obtuse triangle
Step-by-step explanation:
Lin walked west to form one side of the triangle, then northeast, and then southwest to form the remaining two sides. The amount of feet walked on each side determines that it is an obtuse triangle.
Answer:
c.14
Step-by-step explanation:
(area of triangle is 1/2*base*height) which is 0.5*7*4=14