Question

1-Faça do mesmo modo: exemplo: 10=√100
a)7=
b)12=
c)13=
d)15=
e)20=
f)25=
g)30=
h)50=

Answer 1

$\texttt{veja \: abaixo} \\ \begin{gathered}\Large\boxed{\begin{array}{l}\sf a)7 = \sqrt{49} \\ b)12 = \sqrt{144} \\ c) 13 = \sqrt{169} \\ d)15= \sqrt{225} \\ e)20= \sqrt{400} \\ f)25= \sqrt{625} \\ g)30= \sqrt{900} \\ h)50= \sqrt{2500} \end{array}}\end{gathered}$

explicação abaixo:

A ) 7 = √49

7

× 7

____

49

B ) 12 = √144

12

× 12

____

24

120

____

144

C ) 13 = √169

13

× 13

_____

39

130

_____

169

D ) 15 = √225

15

× 15

_____

2

75

150

_____

1

225

E ) 20 = √400

20

× 20

_____

400

F ) 25 = √625

25

× 25

_____

12

125

1

500

_____

625

G ) 30 = √900

30

× 30

_____

900

H ) 50 = √2500

50

× 50

_____

1

2500