Answer:
The answer is B
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
The sum of the lengths of any two sides of a triangle is greater than the length of the third side.
9+10 > 21
19 >21
This is not true so it cannot make a triangle
Answer:
90+ 135= 225
Step-by-step explanation:
a can be found with formula (n-2)×180/n, where n is number of sides
a= 135
b=90
Answer:
<u>Geometry</u>
AC equals 13x + 7
<u>Algebra</u>
1. x = -16
2. x = 2
3. 2x^2 - 5x -7
4. (2x + 1)(x - 5)
Step-by-step explanation: