300=360=380 cause the 8 brings up the 6 and
200=300=100 it will stay the same so
Answer:
15 + 5i
Step-by-step explanation:

Answer:
Step-by-step explanation:
angle:: x
complemet: 90-x
supplement: 180-x
Equation:
180-x = 4(90-x)+60
180-x = 360 -4x + 60
3x = 240
x = 80 degrees (the angle)
90-x = 10 degrees (the complement)
180-x = 100 degrees (the supplement)
Answer:
110cm square
Step-by-step explanation:
Area of trapezium(regardless whatever trapezium)=
1/2 (a+b)(height)=1/2 (9+13)(10)=110cm square