Perimeter of a triangle = all 3 sides added together
x + (x - 4) + (x - 4) = 19
3x - 8 = 19
3x = 19 + 8
3x = 27
x = 27/3
x = 9 <==
Question 7: Answer J (7/8 - 1/2 = 3/8)
Answer:
(5 1/2)(7.25)=
11/2(7.25)
=39.875
=39.875
Step-by-step explanation:
multiply 5 1/2 by 7.25 and u will have yo answer
Answer:
-15 plus or minus the square root of 65 all over 4 (All over means fraction)
1/2 of angle D is given as 32 degrees.
The 3 inside angles need to add up to 180 degrees.
Angle B is a right angle, which is 90.
Angle C = 180 - 90 - 32 = 58 degrees.