Answer:
The measure of the third angle is a 90 degrees
Step-by-step explanation:
Let
A and B ----> two complementary angles in a triangle
C ---> the measure of the third angle in a triangle
we know that
If two angles are complementary, then their sum is equal to 90 degrees
so
---> equation A
Remember that
The sum of the interior angles in any triangle must be equal to 180 degrees
so
----> equation B
substitute equation A in equation B
solve for C
subtract 90 degrees both sides
therefore
we have a right triangle
Answer:
The answer is C
Step-by-step explanation:
Straight angles means a line which straight and has no turning.
A square is the same length on each side so each side would be 9
9+9+9+9= 36ft (perimeter)
Again each side if 9 feet to find the area u just multiply the length and width here the length and width are the same (9)
9•9= 81 (area)
Answer: x = 8
Step-by-step explanation:
9 ( x - 3 ) = 45
distribute 9
9x - 27 = 45
combine constants
9x = 45 + 27
compute 45 + 27
9x = 72
divide both by 9
9x/9 = 72/9
final answer
x = 8
Answer:
5¼
Step-by-step explanation:
-4¼ – -9½
-4¼ + 9½
9½ – 4¼
5¼
I hope this helps
