Answer:
height is 4ft.
Step-by-step explanation:
I used pathagorus theorem .All explaination is in the pic below.
Answer:
<em><u>3x + 5y = 7</u></em>
Step-by-step explanation:
10. is f 11. is a I dont know for 12 though
Answer:
7.75 cm
Step-by-step explanation:
Let a circle having centre O and AB is a tangent of the circle and OB is the radius of the circle = 2 cm. And join AO such that AO = 8 cm.

