Adjacent, right angles are complementary. always sometimes never

2 answers:

8 0

B. <span>sometimes
is the right answer
</span> <span>Any two angles which add up to 90 degrees are complementary.</span>

Mandarinka [93]4 years ago

4 0

Answer:

the answer is never trust me i had this on a test and got it right

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Tanner watched 1/4 of a movie in the morning, and he watched some at night. By the end of the day, he still had 2/3 of the movie

bazaltina [42]

Answer: he watched 1/12 of the movie at night.

Step-by-step explanation:

Let x represent how much of the movie that he watched at night.

Tanner watched 1/4 of a movie in the morning, and he watched some at night. This means that she had already watched

x + 1/4 = (4x + 1)/4 of the movie by the end of the day. Therefore, what he has left to watch would be

1 - (4x + 1)/4 = [4 - (4x + 1)]/4

= (3 - 4x)/4

By the end of the day, he still had 2/3 of the movie to watch, it means that

(3 - 4x)/4 = 2/3

Cross multiplying, it becomes

3(3 - 4x) = 4 × 2

9 - 12x = 8

12x = 1

x = 1/12

6 0

4 years ago

In triangle ABC, (angle A) is a right angle and (m angle B) = 45deg.

Ratling [72]

We can use the ratios for special triangles (see the attachment below). We'll be using the 45-45-90 triangle. We notice that side BC is equal to $x \sqrt{2}$ , and side AC (x using the special right triangle) is equal to 16. We can therefore say that side BC is equal to $16 \sqrt{2}$ ft

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