Question

determine o valor de x.

Answer 1

a) (12)^2 = 9.n
144 = 9n
9n = 144
n = 144/9
n = 16 cm

a = m+n
a = 16+9
a = 25 cm

x^2 = 16.25
x^2 = 400
x = √400
x = 20 cm

b)
b.c = a.h
24.10 = 26.x
240 = 26x
26x = 240
x = 240/26
x = 9,23 cm (aproximadamente)