Question

Calcule a medida do lado do quadrado cuja área é:
a) 49cm²
b)81cm²
c)100cm²
d)196cm²

Answer 1

A) 7cm ( 7.7= 49 )
B) 9cm ( 9.9= 81 )
C) 10cm ( 10.10= 100 )
D) 14cm (14.14= 196 )

Answer 2

A $\sqrt{49}$ = 7 B $\sqrt{81}$ = 9 C $\sqrt{100}$ = 10 D $\sqrt{196}$ = 14