Respuesta :
Answer:
87.92
Step-by-step explanation:
3.14(a²+ab)=
Plugging in values for a and b
3.14(4²+4×3)=
3.14(16+12)=
3.14(28)=
87.92
Answer:
87.92
Given,
a=4
b=3
Nowz
[tex]3.14( {a}^{2} + ab) \\ = 3.14( {4}^{2} + 4 \times 3) \\ = 3.14(16 + 12) \\ = 3.14 \times 28 \\ = 87.92[/tex]
hope this helps .
Good luck on your assignment...