ABC is similar to PQR
that means AC/PR is a constant = 12/ 6 = 2
AC= 2 PR
AB= 2PQ
BC= 2QR
Perimeter of ABC= AB+BC+ CA=
2PQ + 2 QR + 2PR= 2( PQ+ QR+ PR)
= 2( perimeter of triangle PQR )
Perimeter of ABC= 2( perimeter of PQR) = 2* 36 = 72
Answer : 72.
Answer:
no solutions found
Step-by-step explanation:

Step by Step Solution
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the equation by subtracting what is to the right of the equal sign from both sides of the equation :
x^2+2^2-x^2-(9)=0
STEP
1
:
Equation at the end of step
1
:
(((x2) + 22) - x2) - 9 = 0
STEP
2
:
Equation at the end of step 2
-5 = 0
STEP
3
:
Equations which are never true:
3.1 Solve : -5 = 0
This equation has no solution.
A a non-zero constant never equals zero.
no solutions found
4 years old.
1991 -1987= 4
A full rotation is 360 degrees so the required angle is 360/12 = 30 degrees.
The final answer is : z >_ -2