The graph below models the acceleration of a car. interpret the meaning of the vertex.

the car traveled 10 miles in 60 seconds.
it took the car 20 seconds to accelerate.
it took the car 10 seconds to reach a speed of 60 miles per hour.
it took the car 20 seconds to reach a speed of 60 miles per hour.

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

answer: 10 turtles

step-by-step explanation: as turtles have four legs so 4.10=40 therefore birds are 4 which sue counted