Question

please help i’ll give brainliest

Answer 1

Answer:

$45mm^{2}$

Step-by-step explanation:

3cm x 1.5cm

3 x 1.5 = ?

3 x 1.5 = 4.5

4.5cm = ?mm

4.5cm= 45 mm

$45mm^{2}$

Hope this helps!