jacobethan346 jacobethan346
  • 22-08-2020
  • Mathematics
contestada

ray BD bisects ∠ABC m∠ABD if m∠ABC = 5/2 y and m∠DBC = (y+5)degrees

Respuesta :

MathPhys
MathPhys MathPhys
  • 22-08-2020

Step-by-step explanation:

BD bisects ∠ABC.  Therefore:

m∠DBC = ½ m∠ABC

y + 5 = ½ (5/2 y)

y + 5 = 5/4 y

4y + 20 = 5y

y = 20

Therefore, m∠ABC = 50°, and m∠ABD = 25°.

Answer Link

Otras preguntas

2,7,26,101,400 what is the next number
how do sieve tubes elements group to make sieve tubes
Why can't you factor 2cosx^2+sinx-1=0 ?
If a 25 ft rope is cut into two sections with one section 4 times as long as the other section, how long is the shorter piece?
A cylinder has a radius of 30 ft and a height of 19 ft. What is the exact surface area of the cylinder?
Why was the French alarmed after the Belgium government seized the Congo from King Leopold?
Two positive numbers have a difference of 4 and a product of 96. What are the numbers
The diagram below shows the graph of which inequality?
6 main zones of the marine biome
2,7,26,101,400 what is the next number