2. 17 mm =1.7 cm of P=(5+1.7)*2=13.4 of cm - rectangle perimeter. S=5*1.7=8.5 cm² - the area of a rectangle. 3. а). √256=16 mm - the party of a square. б). É = 16*4=64 mm - square perimeter. 4. a) S BOF=4:2=2 of cm² of B) S ABO=2+2=4 cm² c) S ABD=4+2+2=8 cm² d) SAOD=2+2=4 cm²

69

Answer add
verka

### Other questions in the section - maths

Lavaschko

To compare a difference:-4.43 and-11.41 sum: 213 and-84 sum:-61 and-54 without calculations to prove

2020-10-18 04:24:39

Anage

3. The pipe 9.35 m long was cut on two parts. Length of one

2020-10-18 04:24:39

Cabalpep

In 3 hours the motorcyclist passes the same distance, chit and the cyclist in

2020-10-18 04:24:39

Boris

Bir chelak anjir 20000 so’m, bir chelak bexi 30000 so’m, bir chelak anor 40000

2020-10-18 04:24:39

Vakitevba

Write down the area of a rectangle as the work of lengths of its

2020-10-18 04:24:39