Given BC=DE, tan angle CDB=3/4 and the ratio of EF to BD is 1:4.Find the length of BF, in cm​

An equation where variables are used to represent known values—function notation true or false

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.