That’s is so impressive dude ngl
Answer:
108 degrees inside each corner
Step-by-step explanation:
360/5=72
180-72=108
Answer:
9
Step-by-step explanation:
7r+18=r²
r²-7r-18=0
factorizing
r²+2r-9r-18=0
r(r+2)-9(r+2=0
(r-9)(r+2)=0
r-9=0
r=9
check
(r²)=(9*9)=81
7r+18=7(9) + 8=81
Hope this is what you are looking for
Answer:
Step-by-step explanation: