presley9
presley9
11-06-2017
Mathematics
contestada
Find measure of angle BDC
Respuesta :
3mar
3mar
11-06-2017
The measure of the whole angle is 90 degree
so that:
m(BDC) + m(CDA) = 90
-3x + 20 - 2x + 55 = 90
solving for x:
-5x + 75 = 90
-5x = 90 - 75 = 15
x=-3
and therefore
m(BDC) = -3x + 20 = -3*-5 + 20 = 15 + 20 = 35 degree
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
True or False, The radioactive wastes produced by nuclear fission remains dangerous for dozens of years.
a[tex] a\neq b \neq c[/tex] a,b,c ∈ [tex] Z^{+} [/tex] 2a + b + [tex] \frac{c}{3} [/tex] =12 ⇒ max (c) = ?
you run 3 miles up a hill and 3 miles down a hill. You run 25% faster going down the hill than going up the hill. let r be your speed( in miles per hour) while
The children in the classroom were overjoyed when _______ teacher declared that they would have no homework that day. Which is the proper one? [L.8.2.C] A.
how did the Israelite religion develop
convert 358 to a number name
what is other way to forms 208,561
Help!!!! How do you work out what 35% of 250 is
What is 60/100 simplified
Felipe can choose 1 snack from a box containing 3 different granola bars, 4 different kinds of fruit, and 2 different kinds of chips. How many ways can Felipe c
