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Ristkülik. Ruut.

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Ristküliku pindala on

a)


S = a b S\ =\ a\ \cdot\ b\ S = 8cm3cm =24cm2S\ =\ 8cm\cdot3cm\ =24cm^2

b)

S = 8 30 = 240(cm)S\ =\ 8\ \cdot30\ =\ 240\left(cm^{ }\right) S = a b S\ =\ a\ \cdot b\ \ \ \

c)

P = 2a + 2b P\ =\ 2\cdot a\ +\ 2\cdot b\ \ \ P =2 8 + 230 = 16 + 60 = 76 (cm)P\ =2\cdot\ 8\ +\ 2\cdot30\ =\ 16\ +\ 60\ =\ 76\ \left(cm\right)

d)

P =2 8 +2 3 =16 + 6 = 22(cm)P\ =2\cdot\ 8\ +2\cdot\ 3\ =16\ +\ 6\ =\ 22\left(cm\right) P = 2a + 2b P\ =\ 2\cdot a\ +\ 2\cdot b\ \ \

2.

Ristküliku ümbermõõt on

a)

S = abS\ =\ a\cdot b S=750=350(cm2)S=7\cdot50=350\left(cm^2\right)

b)

S = abS\ =\ a\cdot b S = 75 = 35(cm2)S\ =\ 7\cdot5\ =\ 35\left(cm^2\right)

c)

P =2a + 2bP\ =2a\ +\ 2b P = 27 + 25 = 14 + 10 =24(cm)P\ =\ 2\cdot7\ +\ 2\cdot5\ =\ 14\ +\ 10\ =24\left(cm\right)

d)

P = 27 + 250 = 14 + 100 =114(cm)P\ =\ 2\cdot7\ +\ 2\cdot50\ =\ 14\ +\ 100\ =114\left(cm\right) P =2a + 2bP\ =2a\ +\ 2b

3.

Ristküliku pindala on

a)

S =abS\ =a\cdot b S = 74=28(cm)S\ =\ 7\cdot4=28\left(cm\right)

b)

S = abS\ =\ a\cdot b S = 74=28(cm2)S\ =\ 7\cdot4=28\left(cm^2\right)

c)

P=2(a+b)P=2\left(a+b\right) P=2(7+4)=211=22(cm)P=2\left(7+4\right)=2\cdot11=22\left(cm\right)

d)

P=2(a+b)P=2\left(a+b\right) P=2(7+4)=211=22(cm2)P=2\left(7+4\right)=2\cdot11=22\left(cm^2\right)

4.

Ristküliku ümbermõõt on 

a)

 S=abS=a\cdot b   S=74=28(cm)S=7\cdot4=28\left(cm\right)  

b)

 S=abS=a\cdot b   S=74=28(cm2)S=7\cdot4=28\left(cm^2\right)  

c)

 P=2(a+b)P=2\left(a+b\right)   P=2(7+4)=211=22(cm)P=2\left(7+4\right)=2\cdot11=22\left(cm\right)  

d)

 P=2(a+b)P=2\left(a+b\right)   P=2(7+4)=211=22(cm2)P=2\left(7+4\right)=2\cdot11=22\left(cm^2\right)  

5.

Ristküliku ümbermõõt ja pindala on

a)

S = a b S\ =\ a\ \cdot\ b\ S = 10 4 =40(cm)S\ =\ 10\ \cdot\ 4\ =40\left(cm\right)

b)

S = a b S\ =\ a\ \cdot\ b\ S = 10 4 =40(cm2)S\ =\ 10\ \cdot\ 4\ =40\left(cm^2\right)

c)

P =2( a + b) P\ =2\left(\ a\ +\ b\right)\ P =2( 10 + 4) =214=28(cm)P\ =2\left(\ 10\ +\ 4\right)\ =2\cdot14=28\left(cm\right)

d)

P =2( a + b) P\ =2\left(\ a\ +\ b\right)\ P =2( 10 + 4) =214=28(cm2)P\ =2\left(\ 10\ +\ 4\right)\ =2\cdot14=28\left(cm^2\right)

6.

Ruudu pindala on

a)

S = a2S\ =\ a^2 S =102=1010 =100(cm)S\ =10^2=10\cdot10\ =100\left(cm\right)

b)

S =a2S\ =a^2 S =102=1010 =100(cm2)S\ =10^2=10\cdot10\ =100\left(cm^2\right)

c)

P=4aP=4a P = 410=40(cm)P\ =\ 4\cdot10=40\left(cm\right)

d)

P = 4aP\ =\ 4a P = 410=40(cm2)P\ =\ 4\cdot10=40\left(cm^2\right)

7.

Ruudu ümbermõõt on

a)

S =a2S\ =a^2 S =102=1010 =100(cm)S\ =10^2=10\cdot10\ =100\left(cm\right)

b)

S =a2S\ =a^2 S =102=1010 =100(cm2)S\ =10^2=10\cdot10\ =100\left(cm^2\right)

c)

P = 4aP\ =\ 4\cdot a P = 410=40(cm2)P\ =\ 4\cdot10=40\left(cm^2\right)

d)

P=4aP=4a P = 410=40(cm)P\ =\ 4\cdot10=40\left(cm\right)

8.

Ruudu ümbermõõt ja pindala on

a)

S = a2S\ =\ a^2 S = 72 = 77=49(cm2)S\ =\ 7^2\ =\ 7\cdot7=49\left(cm^2\right)

b)

S = 72 = 77=49(cm)S\ =\ 7^2\ =\ 7\cdot7=49\left(cm^{ }\right) S = a2 S\ =\ a^2\

c)

P = 4aP\ =\ 4\cdot a P = 47=28(cm2)P\ =\ 4\cdot7=28\left(cm^2\right)

d)

P = 4aP\ =\ 4\cdot a P = 47=28(cm)P\ =\ 4\cdot7=28\left(cm^{ }\right)

9.

Ruudu külg on

a)

6cm

b)

9cm

c)

36cm

d)

18cm

10.

Ruudu külg on

a)

6cm

b)

9cm

c)

18cm

d)

12cm

11.

Ristküliku teine külg on

a)

30cm

b)

24cm

c)

12cm

d)

9cm

12.

Ristküliku teine külg on

a)

4cm

b)

2cm

c)

9cm

d)

6cm

13.

92=

a)

18

b)

9

c)

81

d)

64

14.

3000dm2 =

a)

30cm2

b)

3000cm2

c)

300000cm2

d)

3

15.

5ha=

a)

500m2

b)

5000m2

c)

50000m2

16.

Ristküliku pindala =

a)

pikkus korda laius.

b)

kaks * pikkust + 2 * laiust

c)

2*(pikkus + laius)

d)

lkui iidan kõik küljed.

e)

pikkus + laius

17.

Ristküliku ümbermõõt =

a)

pikkus * laius

b)

2*(pikkus + laius)

c)

pikkus + laius

18.

Ruudu pindala =

a)

ruudu külje pikkus ruudus.

b)

kui liidan kõik ruudu küljed.

c)

kui korrutan ruudu külje pikkuse 4-ga.

19.

Ruudu ümbermõõt on

a)

ruudu külg ruudus.

b)

kui korrutan ruudu külje pikkuse 4-ga.

c)

külg + külg.

20.

Pindalaühikud on

a)

cm

b)

cm2

c)

dm

d)

dm2