ambitousamberr ambitousamberr
  • 15-10-2018
  • Mathematics
contestada

m∠1=45° and m∠3=65°
What is m∠4?



2. In right △ABC with right angle B, m∠A=(3x−8)° and m∠C=(x−2)°.
What is m∠A?
47°
67°
25°
92

Respuesta :

Аноним Аноним
  • 24-10-2018

Answer:

In Right Δ ABC with right angle B,

∠A=(3 x -8)°, ∠B=90°, ∠C=(x-2)°

∠A+∠B+∠C=180°[∠ sum property of triangle]

3 x-8+90 + x-2=180

Adding and subtracting like terms

4 x-10+90=180

4 x+80=180

4 x=180-80

4 x=100

x=100/4

x=25°

∠A=3×25-8=75-8=67°




Ver imagen Аноним
Answer Link
brookeee203owowao brookeee203owowao
  • 21-02-2019

Do you know the answer to number one????

Answer Link

Otras preguntas

Discuss in detail the following methods used to redistribute income and wealth in cash grants?​
By how much has the wage per hour increased since 2019 in South Africa?​
What is the value of (-1/4 - 1/2) ÷ (-4/7)
Write an account about a scary experience that you have had.​
If the formula c=2xr c stands for [blank]
Los opuestos Ella no es delgada, ella es____
(a) A body of mass 2kg is placed on a rough plane inclined at an angle of 30° to the horizontal. The coefficient of friction between the body and the plane is 0
In searching for someone here in brainly, does it depend on my rank? cause I've been trying to search for someone but I can't even see the search icon.. pls hel
Which excerpt most accurately supports an inference that Beowulf thinks Unferth is a coward? “Blithe to mead go he that listeth, when light of dawn this morrow
Annie is opening a savings account which earns 5.2% interest compounded continuously how much will she need to deposit in the account so she has $2300 after sev