Question

1. Ze wzoru na pole trapezu wyznacz a i b.

P= (a+b)*h/2

Dam naj !!

Answer 1

P= (a+b)*h/2   /*2

2P = (a + b) * h    /: h

2P / h = a + b

a + b = 2P / h

 

a = 2P/h - b 

 

b = 2P/h  - a

 

 

Answer 2

P= (a+b)*h/2 |*2

2P=(a+b)*h |:h

2P/h=a+b |-b

2P/h - b = a

2P/h - a = b