Answer:
Step-by-step explanation:
4)
area of rhombus is base * height
here the base is 10 mm and height is 8 mm
using the formula: 8 * 10 = 80 mm²
5)
[tex]3\frac{1}{2} -\frac{2}{3}[/tex]
[tex]\frac{7}{2} -\frac{2}{3}[/tex]
[tex]\frac{21}{6} -\frac{4}{6}[/tex]
[tex]\frac{21-4}{6}[/tex]
[tex]\frac{17}{6}[/tex]
[tex]2\frac{5}{6}[/tex]
