Answer:
40.04 (squared)
Step-by-step explanation:
This can be done with or without a calculator, best non-calculator method is long multiplication. Simply multiply the two numbers together and that's your result, remember to add the squared symbol at the end.
It's 47 because it's an isosceles triangle.
solution:
n/2 + 9 = 20
n/2=20-9
n/2=11
n=22
did u find out the answer ?
Un teorema tematico o un teorema matematico?