Answer:
A polygon that has 7 sides.
Step-by-step explanation:
S=(n-2)*180
n representing the sides
plug in each one into the formula and see which one = 900 degress.
100+ 100+ 100+ 9= 309
200+ 50 +50= 300
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Answer:
$180 for 4 shirts
Step-by-step explanation:
1 shirt costs $50 and you need 4 shirts
50 x 4 = 200
10% of 200 is 20 which means you get $20 off the original price of 4 shirts
200 - 20 = 180
You pay 180 dollars for 4 shirts.
Hope this helps! :)
He sold 12 coins, 16+28+32+4=80. 15% of 80 is 12
Sin24°=x/9. multiply 9 by both sides and x=3.7