Question

Find the length of x​

Answer 1

i. h = 3cm

l = 6cm

b = x

$V = 45 {cm}^{3}$

V = b × l × h

45 = x × 6 × 3

45 = x × 18

$x \: = \frac{45}{18}$

x = 2.5cm

ii. b = 5cm

l = 8cm

h = x

$V = 45 {cm}^{3}$

V = b × l × h

45 = 5 × 8 × x

45 = 40 × x

$x \: = \frac{45}{40}$

x = 1.125cm