Answer:
18
Step-by-step explanation:
-11 - 7 = -18
|-18| = 18
Answer:

Step-by-step explanation:
A = 30° and r = 12







.
Happy to help :)
Answer:
no because at the end it is 669 not 696 so it is not repeating decimal
2 ;) was this helpful? mark me as the best!
find the perimeter of a triangle with sides 15 inches, 15 inches, and 21 inches length
To find the perimeter of a triangle we add all the sides of the triangle
The length of the sides of the triangle are given as 15 inches, 15 inches, and 21 inches
Perimeter of a triangle =
15 inches + 15 inches + 21 inches = 51 inches
So 51 inches is the perimeter