2 years ago

Angles and polygons

Mathematics

1 answer:

Andre45 [30]2 years ago

8 0

Answer:

∠1 = 66°

Step-by-step explanation:

∠1 + ∠3 = ∠4 (exterior angle theorem)

∠1 + 57° = 123°

∠1 = 66°

You might be interested in

Find the length of side x in simplest radical form with rational denominator.

DaniilM [7]

Answer:

sqrt(20)

Step-by-step explanation:

The two perpendicular side lengths are equal, so using Pythagoras theorem:

x = sqrt( sqrt(10)^2 + sqrt(10)^2 )

x = sqrt(10 + 10)

x = sqrt(20)

8 0

2 years ago

Given right triangle ABC with altitude BD draw to hypotenuse AC. If AD=13 and DC=33,what is the length of BD in simplest radical

denis23 [38]

Answer:

8.06

Step-by-step explanation:

I used my brain and paper. I don't want to have to explain it anymore sorry but yes I think that is the right answer.

3 0

2 years ago

Sally has 6 boxes of colored pencils only three of the boxes contain 12 colored pencils each .the remaining boxes each contain 2

Sonja [21]

3 times 12 then 3 times 20
3 x 12 = 36
3 x 20 = 60
60 + 36 = 96
96 ÷ 8

3 0

2 years ago

Four student are each trying to raise the same amount of money for a class trip. The table below shows how much of each student'

postnew [5]

Answer:

the answer is 5/8, 65%, 2/3, 0.7

Step-by-step explanation:

3 0

2 years ago

Categorize the graph as linear increasing, linear decreasing, exponential

Artist 52 [7]

Answer:

B. Linear increasing

Step-by-step explanation:

decay means decreasing

exponential graph would have a curve

6 0

1 year ago

Read 2 more answers