Answer:
15cm
Step-by-step explanation:
scale factor =image diatace/object distance
0.75=x/20
0.75×20=x
15=x
: .x=15cm
Answer:c
Step-by-step explanation:
when you set (x-6) and (x-1) to zero you get 6 and 1
The product of two negative numbers is positive is your answer
Answer:
18.84
Step-by-step explanation:
The formula for length of the circle is =

Therefore

Therefore the Arc length =37.68/2
=18.84
Answer:
80 degrees i believe
Step-by-step explanation:
if supplementary angles =180 then 180-100=80