2n+3
i have to make word count so dont mind this lol... ehfilerflaeiurbgfiluq3filueiulsailflibs jkkbfbefvbif efieriebr efivbiefbfe ibeivbuoef
You add all the sides together and divide by the number of side so in your case it would be 6 sides and you should get your perimeter i think thats how you do it i could be wrong
No solution exists for -3x+y=-18 and -3x+y=-6
Let n be unknown number, then 1/5 of this number is 1/5n. When you add these two numbers, you get
You know that this sum is equal to 24, so
1. Multiply this equation by 5:
2. Solve it:
Answer: n=20, correct choice is B.
Any quadrilateral has sum of all angles equal 360⁰.
So,
m∠D+78+91+90=360
m∠D=360-(78+91+90)=101⁰
Answer is A.
