tonyhasgains5 tonyhasgains5
  • 15-07-2021
  • Mathematics
contestada

3. Find m D
(2x+14)
(x + 7)
E
B
60
23
53
30

3 Find m D 2x14 x 7 E B 60 23 53 30 class=

Respuesta :

Luv2Teach
Luv2Teach Luv2Teach
  • 15-07-2021

Answer:

Step-by-step explanation:

∠ABC + ∠CBD = 90 so filling in the expressions for these angles:

(2x + 14) + (x + 7) = 90 and

3x + 21 = 90 and

3x = 69 so

x = 23. To find the measure of angle ABC in particular, we sub in a 23 for x:

x + 7 --> 23 + 7 = 30°, the last choice there.

Answer Link

Otras preguntas

What is the smallest defined unit of time on the geological scale?
How old was john hancock when he signed the declaration of independence?
What is 60% of 7?????
Which revision of the sentence adds an adverb phrase? Many actors live in Los Angeles. A. Many actors live with their families in Los Angeles. B. May actors fro
If you find it necessary to take a vitamin, what is the best way to optimize absorption? A. Take it with 30 ounces of water. B. Take it in liquid form.
Pre Calc question please help!
The population of a country, city or other region is a function of three variables. which is not one of the variables
Which Philosopher was a proponent of the phrase honesty is the best policy
Is -6.75 a rational or irrational number?
Why is the book that gatsby's father shows nick important to the novel?