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hammer [34]
3 years ago
8

Given: ∠1 and ∠2 are complementary angles.Prove: ∠3 and ∠4 are complementary angles.

Mathematics
2 answers:
ASHA 777 [7]3 years ago
4 0

Answer:

Two angles are called complementary when their measures add to 90 degrees. ∠1 is 60 degrees ∠2 is 30 degrees so if you add it up, the answer is  90 degrees.

∠4 + ∠3 = answer has to be 90 degrees to call it a complementary angle

30 degrees + 60 degrees = 90 degrees

Gennadij [26K]3 years ago
3 0

Answer:

If I had to pick between these, it would be definition of complementary angles.

Hope this helps!

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Larissa is baking two pies that are the same size: an apple pie for her brothers and a pumpkin
expeople1 [14]

Answer:

All the statements are correct.

Step-by-step explanation:

Larissa is baking two pies that are the same size:

an apple pie for her brothers and a pumpkin pie for her sisters.

Larissa cuts the apple pie into eights and serves the five slices for her brothers.

This means she divided the apple pie into 1/8, so 5 for a brothers = 5(1/8) = 5/8

The amount of apple pie left is = 1 - 5/8

= 3/8

Then, she cuts the pumpkin pie into sixths and serves three pieces to her sisters.

She divided the pumpkin pie into 1/6

Serving her 3 sisters = 3(1/6)

= 3/6

The amount left = 1 - 3/6 = 3/6 = 1/2

This means, her sisters are 1/2 of the pie and 1/2 is left

Her brothers and sisters eat all of the pie they are served, and nothing more.

Verifying the given options

a) There will be enough space to fit the leftover slices of pie together in one of the pie pans

Yes, this is correct it we put the left over slices of pie in the pumpkin pie pan.

Option a is correct.

b) There will be more empty space in the pumpkin pie pan than in the apple pie pan after the slices are served.

Option b) is true

This is because, the amount of space left in the pumpkin pie pan = 1/2

The amount of space left in the apple pie pan = 3/8

1/2 is greater than > 3/8

c) After Larissa served the apple pie, there is exactly 0.375 of the apple pie remaining.

Larissa served, 5/8 of the apple pie,

3/8 is left , 3/8 = 0.375.

Option c is correct.

d) After putting the pies together in one pan, 1/8 of the pie pan would still be empty

Yes, if the left over pies are put in the pumpkin pie pan.

This is because, the amount of space left in the pumpkin pie pan = 1/2

The amount of space left in the apple pie pan = 3/8

1/2 + 3/8

= 4+3/8 = 7/8

1 - 7/8 = 1/8

Option d is correct

Therefore, all the 4 statements are correct.

5 0
3 years ago
if it is 5 degrees outside and the temperature will drop 17 degrees in the next 6 hours how cold will it get
Lorico [155]
-12
is the answer to the prob.
6 0
4 years ago
An observer (O) spots a bird flying at a 35° angle from a line drawn horizontal to its nest. If the distance from the observer (
zimovet [89]

the answer is 17,202 feet

8 0
2 years ago
Write the product of a number and 21 as an algebraic expression
tatuchka [14]

Answer:

21n=

n-number and since its a number (n) and 21 you would put 21n

5 0
3 years ago
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Is number 19 correct
olganol [36]
Yes it is. Hope it helps.:)
8 0
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