Answer:
4747
Step-by-step explanation:
BC = a
AC = b
ACB = C
To find the area of such triangle we are going to use the formula;
1/2 * a * b * sine C
Substitute values.
1/2 * 4 * 4 * sine 45
= 5.65^2
Therefore the area of the triangle is 5.65^2
Answer:
B
Step-by-step explanation:
Class A mean: 4.8
Class B mean: 4
B) yes, .8 less