Answer: 16
Step-by-step explanation: 20/2 = 10
10x=160
10x/10=160/10
x=16
X-5= 20
x-5= -20
Absolute value makes a negative positive, so when you are solving x-5 could have been 20 originally or -20 originally. Solve for both.
25
Square root of 25 is 5
Divide the perimeter by 3 to get 8 then use the equation for the area of a triangle (a= BH1/2) and your answer is 32
Answer:
By using cross multiplication
Step-by-step explanation:
