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Mazyrski [523]
2 years ago
6

Which set of angles are complementary in this diagram? Please help <3

Mathematics
1 answer:
SashulF [63]2 years ago
6 0

9514 1404 393

Answer:

  (c)  ∠ECF and ∠BCF

Step-by-step explanation:

Complementary angles total 90°. Here, 90° angle BCE is divided by ray CF into two complementary angles. They necessarily have a total of 90°.

  ∠ECF and ∠BCF

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How to simplify this algebraic fraction
marusya05 [52]

Answer: 4√2/13

Step-by-step explanation: add the 3 and 5 together and simplify your radical expression. keep the 13 as the denominator because you cannot divide the simplified radical into that.

8 0
3 years ago
V 144 belongs to the set of integers.<br> O True<br> O False
strojnjashka [21]

Answer:

True

Step-by-step explanation:

\sqrt{144}

is a rational number.

It is also a perfect square which means it is an integer.

<h3>Hope this Helps!</h3>

:)

4 0
3 years ago
Read 2 more answers
PLS HELp PLS
Anestetic [448]

1) Given

2) m∠1 + m∠2 = 90°

3) BD bisects ∠ADC

4) definition of angle bisector

5) definition of congruency

6) m∠1 + m∠3 = 90°

7) ∠1 is complementary to ∠3          (7) definition of complementary


If there is a drop down box, and my answer is not an option, type in the options in the comment box and I will let you know which theorems (or definitions) are the same as my answer.


4 0
3 years ago
Read 2 more answers
One week, Kerry travels 125 miles and uses 5 gallons of gasoline. The next week, she travels 175 miles and uses 7 gallons of gas
bazaltina [42]
This is good information, but the question part is missing. Put the question in the comments and I'll try my best to help!
6 0
3 years ago
Look at the image HELP
Whitepunk [10]

Answer:

Option (3)

Step-by-step explanation:

In a right triangle,

Cosine rule → cos(\theta)=\frac{\text{Adjacent side}}{\text{Hypotenuse}}

Sine rule → sin(\theta)=\frac{\text{Opposite side}}{\text{Hypotenuse}}

In the given triangle,

By cosine rule,

cos(h)=\frac{\text{Adjacent side}}{\text{Hypotenuse}}

cos(h)=\frac{z}{x}

Or cos(h°) = z ÷ x

Therefore, Option (3) will be the answer.

7 0
3 years ago
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