Answer:
D. 14.73
Step-by-step explanation:
According to Pythagoras,
19^2 = 12^2 + x^2
x^2 = 19^2 - 12^2
x^2 = 361 - 144
x^2 = 217
x = 
x = 14.73
Answer:
Option a. 30 units
Step-by-step explanation:
we know that
An equilateral triangle has three equal sides
so
XY=YZ=XZ
The perimeter of triangle XYZ is equal to


<u><em>Find the distance XZ</em></u>
the formula to calculate the distance between two points is equal to

we have
X is located at (-5, -9) and Z is located at (1, -17)
substitute the values in the formula




Find the perimeter

Answer:
120/3 = 40 40x2 =80 120-80=40 the answer is 40 pages
Step-by-step explanation: