Cosine(angle) = adjacent leg/ hypotenuse
Cosine( angle ) = 18/20
Angle = arccos(18/20)
Angle = 26 degrees
Answer:
b = -6.5
Step-by-step explanation:
I am 100% sure thts the right answer
Answer:
Step-by-step explanation:
Area of one road = 700 x 10
7000 sq m
area of another road
= 300 x 10 = 3000sq m
Total area of road
= 7000 + 3000 - 10 x 10
= 9900 sq m
Area of park
= 700 x 300
= 210000 sq m
less area of road
= 210000 - 9900
= 200100 sq m
= 200100 / 10000 hectare
= 20.01 hectare.
