Oblicz pole trapezu:
a)
a= 1,2 dm
b= 70 mm
h=5,5 cm
b)
a=2,6 cm
b=0,34 dm
h=120 mm
Oblicz na poziomie szóstoklasisty
a=1,2dm
b=70mm
h=5,5cm
P=(12cm+7cm)*5,5cm
P=19cm*5,5cm
P=104,5cm²
a=2,6cm
b=0,34dm
h=120mm
P=(2,6cm+3,4cm)*12cm
P=6cm*12cm
P=72cm²
Myślę, że pomogłem :D
a)a-1,2dm=12cm
b-70mm=7cm
h-5,5cm
(12+7)x5,5
------------- =19x5,5:2=1045cm:2=522,5cm=5225mm kwadratowych
2
b)a-26mm
b-34mm
h-120mm
(26+34)x120
--------------------- =60x60=3600mm=36dm kwadratowych
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a)
a=1,2dm
b=70mm
h=5,5cm
P=(12cm+7cm)*5,5cm
P=19cm*5,5cm
P=104,5cm²
b)
a=2,6cm
b=0,34dm
h=120mm
P=(2,6cm+3,4cm)*12cm
P=6cm*12cm
P=72cm²
Myślę, że pomogłem :D
a)a-1,2dm=12cm
b-70mm=7cm
h-5,5cm
(12+7)x5,5
------------- =19x5,5:2=1045cm:2=522,5cm=5225mm kwadratowych
2
b)a-26mm
b-34mm
h-120mm
(26+34)x120
--------------------- =60x60=3600mm=36dm kwadratowych
2