SirKnight
SirKnight SirKnight
  • 23-06-2020
  • Mathematics
contestada

in each diagram the line BD bisects angle ABC. Find the measure of angle ABC​

in each diagram the line BD bisects angle ABC Find the measure of angle ABC class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 23-06-2020

Answer:

80°

Step-by-step explanation:

∠ABC= ∠ABD+∠CBD

as BD bisects ∠ABC, we have

  • ∠ABD=∠CBD
  • 2x+20°= 4x
  • 2x=20°
  • x=10°

∠ABC= 2*4x= 8x= 80°

Answer Link

Otras preguntas

Amit has found a rock in his backyard and would like to measure its mass, volume, and density. What tools can he use to perform these measurements? A.  meter st
What is the surface area of the prism? A. 140 in2 B. 144 in2 C. 420 in2 D. 288 in2
HELP! I GIVE BRAINLIEST!
How do you solve this ???
In response to a research misconduct allegation, what is the next main phase that takes place after the inquiry if there is sufficient evidence to proceed?
20 men can complete the construction of a road in 30 days. If 5 more men join the team,In how many days will the work be over?
If price falls, what happens to the demand for a product?
During cell division, or mitosis, an exact duplicate of the original cell is produced. The instructions for cell division are found in the __________ in the __
Select all the statements that are true. 1. The Claims Court is a part of the judiciary system. 2. Nine justices serve in the Supreme Court. 3. There are tw
What do organisms from the ocean use the carbon dioxide for? A. to breathe B. to build bones C. to make shells D. to help organisms decompose