3 years ago

Which set of angles are complementary

Mathematics

1 answer:

Deffense [45]3 years ago

6 0

Answer:

A. <ECF and <BCF

Step-by-step explanation:

Complementary angles are angles that add up to give 90°

m<BCE = m<BCA = 90° (right angles)

m<ECF + m<BCF = m<BCA

m<ECF + m<BCF = 90° (Substitution)

Therefore, <ECF and <BCF are complementary angles.

You might be interested in

Below are two parallel lines with a third line intersecting them

Salsk061 [2.6K]

Answer:

Z is 66. If you want an explanation, I could give it to you, FYI.

5 0

3 years ago

Read 2 more answers

Someone please help as soon as possible

olga_2 [115]

Answer:i believe it is the first answer

Step-by-step explanation:

4 0

3 years ago

HELP LOOK AT THE PHOTO

Amanda [17]

$\bf{Hello!}$

The answer is 140°

Because we can use exterior angle property here

Exterior angle property : It states that exterior angle is the sum of two opposite interior angles

y = 120 + 20 = 140°

6 0

3 years ago

Read 2 more answers

Organic whole wheat flour sells in bags weighing 3.874 pounds.how much flour is this when rounded to the nearest tenth?

ELEN [110]

Answer:

3.9

Step-by-step explanation:

8 is rounded up because of 7

5 0

3 years ago

Read 2 more answers

Which line plot displays a data set with an outlier?

Natasha2012 [34]

Answer:

The bottom left answer choice displays an outlier

Step-by-step explanation:

7 0

3 years ago