Answer:
Step-by-step explanation:
take 60 degree as reference angle
using cos rule
cos 60=adjacent/hypotenuse
1/2=80/x(do cross multiplication)
80*2=x
160=x
Answer:
3/15= 1/5 That's the answer
2. 720 ÷ 12 = 60 × 5 = 300.
3 $48,780 ÷ 18 = $2,710 × 12 = $32,520.
Hope this helps
Answer:

Step-by-step explanation:
Given
The attached figure
Required
Determine the area
The shape is a trapezium. So, the area is:

From the attached,
The height is 2
The parallel sides are: 2 and 6
So, the area is:



<em>Hence, the area is 8 units square</em>