Answer:
c
Step-by-step explanation:
Answer:
it would be 115
Step-by-step explanation:
there is no decimal so that means 115. if it was 115.1 then it would be 115 because it is closer to 115. now it is different if it was .5 and up because it would round up. anything above 5 will round up
Answer:
A 7:2
Step-by-step explanation:
Answer:
r = 31.2
Step-by-step explanation:
Δ ACE and Δ BCD are similar, thus the ratios of corresponding sides are equal, that is
= 
, substitute values
= 
( cross- multiply )
40r = 1248 ( divide both sides by 40 )
r = 31.2
Use a calculator. 6 square root of 2 and 8 square root of 2. Times both of them and turns to 2304. Then 2304 square root of 2 again
