1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Colt1911 [192]
3 years ago
11

Find the value of a and b

Mathematics
1 answer:
andriy [413]3 years ago
4 0

Answer:

a = 133 degrees

b = 78 degrees

Step-by-step explanation:

the top and bottom lines are parallel.

the two sidelines are lines that intercept the top and bottom lines.

as they intercept parallel lines, they actually must have the same angles with them.

so, the 47 degrees inner angle at the bottom line, must be also somewhere at the interception point with the top line. and right, it must be now mirrored the outward angle at the top line. and that means a (the inward angle at the top line) is also the outward angle at the bottom line.

the sum of inward and outward angles at a point must always be 180 degrees.

so, the outward angle of 47 = the inward angle a =

= 180 - 47 = 133 degrees.

similar in the other side.

102 is the inward angle.

the outward angle of that is 180 - 102 = 78 degrees.

and that is also the inward angle b.

b = 78 degrees

You might be interested in
If f(x) = 2 + x and g(x) = 3 - x, what is go f(-1)?
gavmur [86]

Answer:

g(f(-1)) = 2

Step-by-step explanation:

f(x) = 2 + x

g(x) = 3 - x

if you need to find g(f(-1)); find f(-1) first

f(-1) = 2 + (-1) = 1

f(-1) =1; now plug this into g(1)

g(1) = 3 - 1 = 2

3 0
3 years ago
Help quickly! 10 points!
german
The answer is vertex
6 0
3 years ago
I need help with this math problem and I need to show work.
ladessa [460]
ANSWER: 1/125

EXPLANATION:
5^-3
= 1/5^3
=1/5*5*5
=1/125

Hope it helps u!
6 0
2 years ago
Read 2 more answers
Blaize is filling a 20,000-gallon swimming pool. If 7040 gallons have already been filled, and the water is entering the pool at
UkoKoshka [18]

Answer:

18 hours is your answer!!! :) ∵

Hope you get this helpful

Step-by-step explanation:

20,000-7040=12960

12960 divide by 720 = 18

18 hours

7 0
3 years ago
Solve for the variable in the following proportion 4/7 = x/161
Bess [88]
We want to solve
4/7 = x/161

Cross multiply.
7x =(4)(161) = 644

Divide each side by 7.
x = 644/7 = 92

Answer:  x = 92
4 0
3 years ago
Read 2 more answers
Other questions:
  • WILL GIVE A BRAINLIEST IF UR CORRECT!! PLEASE HELP!!
    8·1 answer
  • You have already saved $ 35 to buy a new cell phone. You need $ 175 total. You think you can save $ 10 a week. At this rate, how
    6·1 answer
  • The mass of the cylinder is 50000 g find the density of the cylinder to the nearest tenth
    7·1 answer
  • What is the solution to x 4 – 12x 2 + 10 > 0?
    6·1 answer
  • Convert y= 2x(x-6)-5 to vertex form.
    7·1 answer
  • The parallelogram shown below has an area of 72 units?.<br> h<br> 13<br> Find the missing height.
    7·1 answer
  • Point R on the coordinate grid below shows the location of a car in a parking lot. A second car needs to park 5 units above R to
    15·2 answers
  • Five friends went to the zoo.
    8·1 answer
  • Solve for EG. A) 18 B) 12 9 D) 6​
    6·2 answers
  • What is the angle of elevation for 9 foot ladder leaning against a wall if the ladder is placed 2 feet away from the base of the
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!