Answer:
180cm^2 & 472ft^2
Step-by-step explanation:
answer of 16 number
h2=p2+b2 ,therefore
h=100+80
h=180
answer of question 17
h2=p2+b2
576=p2+104
576-104=p2
472=p2
The interior angles of a triangle add up to 180 degrees, meaning we can make an equation.



Hope this helps.
頑張って!
4a+3b-(-2a-3b)
=4a+3b+2a+3b
=6a+6b
=6(a+b)
2 inches per minute. Just divide the total amount of inchs by the number of minutes and you have your unit rate.