Question

Calculati aria unui dreptunghi in m2 cu dimensiunile de 1. 3 m si 7m 2. 31m si 25m 3. 15dam si 30m 4. 25cm si 4m 5. 125m si 42.5dm.urgeeeeeeeeeeenttttttttt va rooooooooooooooooggg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!dau coroana!!!!!!!!!!!!!!!!!!!

Answer 1

aria dreptunghiului=A=Lxl

1. A=3x7=21m^{2}

2.A=31x25=775m^{2}

3. 15dam=150m

A=150x30=4500m^{2}

4. 25cm=0,25m

A=4x0,25=1m^{2}

5. 42,5 dm=425cm=4,25m

A=125x4,25=531,25m^{2}