Answer:
16
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh
A = 1/2 (4)*8
A = 16
The other two angles would also be 120 and 40 because the opposite angles of parallelograms are equal
You want to undo the (-9 1/2), so you will add 9 1/2 to each side
Isosceles triangle scalene triangle and equaliteral triangle
