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=

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

What is the average of the first 99 counting numbers?
A scientist researching salamanders has obtained two different specimens. Under what conditions would he classify them as belonging to different species?
Stephen's glass holds 40 milliliters of milf. Farrah's glass holds 2/5 as much milk. How much milk does Farrah's glass hold?
A unit of power equal to 746 watts is a
why are 1 4 9 16 and 25 called perfect squares
Emily stopped at a produce stand to buy some tomatoes.Tomatoes cost $1.25 per pound at the stand. Emily bought 5 tomatoes that weighed 1.8 pounds in total.How m
What happened at the Battle of Bunker Hill?
why do people celebrate Valentines Day?
what supreme Court decision overturned both th missouri compromise and popular sovereignty
It should take 5.22 minutes to clean a shower. You have 5 showers that need to be cleaned. How many minutes should it t