Seudónimo Seudónimo
  • 23-03-2015
  • Mathematics
contestada

Help!In the figure below, triangle ABC is an equilateral triangle, and quadrilateral DEFB is a square.
What is mABD?
A. 45°
B. 30°
C. 50°
D. 20°
the figure is below

HelpIn the figure below triangle ABC is an equilateral triangle and quadrilateral DEFB is a square What is mABD A 45 B 30 C 50 D 20 the figure is below class=
Relax

Respuesta :

konrad509
konrad509 konrad509
  • 23-03-2015
[tex]m\angle ABD=m\angle CBD-m\angle ABC\\ m\angle CBD=90\\ m\angle ABC=60\\ m\angle ABD=90-60=30\Rightarrow B[/tex]
Answer Link

Otras preguntas

In order to make a decision at work, you have to compare every possible solution. Agree or Disagree?
How are the codes (chemical formulas) for elements different than those for compounds?
Hypothesize about how a population of dandelion plants might be affected by a population of rabbits.
a class has 20 trays of paint each trays has 6 colors 1 of the color is red what fraction of the colors in the 20 trays is red
Hypothesize what happens when an hiv strain mutates such what viral replication drugs are no longer effective
math help please ♡ give points​
what is H2O? Right answers only
The tone of The R ape of the Lock can best be described as _____. humorous harsh disinterested unamused
What questions should individuals ask themselves before becoming parents.
multiply the binomials: (x + 3y) (3x - 2y)