oblicz pole trapezu o podstawach ab oraz wysokościh, jeśli
a) a = 8 cm, b = 7 cm i h = 4 cm.
b) a = 9 cm, b = 4 cm i h= 10 cm
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a)
P= 1/2* (a+b)*h
P= 1/2*(8+7)*4
P=1/2*15*4
P=30cm2
b)
P=1/2* (a+b)*h
P=1/2*(9+4)*10
P=1/2*13*10
P=65cm2
a)
a=8cm
b=7cm
h=4cm
P= 1/2* (a+b)*h
P= 1/2*(8+7)*4
P=1/2*15*4
P=30cm2
b)
a=9cm
b=4cm
h=10cm
P=1/2* (a+b)*h
P=1/2*(9+4)*10
P=1/2*13*10
P=65cm2