-1+3m=2m+4 what is the answere to that?
1 answer:
You might be interested in
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