Answer:
17.9cm
Step-by-step explanation:
Its is very easy you just add 7.1 to 10.8.
Perimeter you add
Area you multiply
Okay and... what are you confused about
Answer:
x = 1/7
Step-by-step explanation:
add the two numbers with the x's and subtract 1 from 2. You'll get 7x = 1. Divide 7 from both sides to get x by itself.
Since this is a geometric sequence each term is being multiplied by the same number to get to the next one. Find the r in this equation
1.2r = 0.84
Then multiply it by 0.4116 to get the next height