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Alex787 [66]
3 years ago
13

Three support beams for a bridge form a pair of complementary angles. Find the measure of each angle

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0

Answer:

30° each

Step-by-step explanation:

Complementary angles are those that add up to 90° so if they are all equal then it's

90/3=30°

KIM [24]3 years ago
4 0

Answer: 30° each

Complementary angles are those that add up to 90° just to remind you!!

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Alekssandra [29.7K]
The answer is going to be 120
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Can Someone Give Me Graph Points I'm So Confused:
LiRa [457]

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5 0
2 years ago
Read 2 more answers
I need help! Find the measure of the indicated angle to the nearest degree.
Klio2033 [76]

Seeing as this is a right triangle, we would solve for the unknown angle using a trigonometric function.

Remember! SOH-CAH-TOA

Looking from the unknown angle, we are given the adjacent side and the hypotenuse. Therefore, we should use the cosine function.

cos(?) = 17 / 19

---To find the unknown angle measure, you will need to use the inverse cosine function. This function is generally found by using the "2nd" button on your calculator and then pressing the cosine button. It should look like one of the following options: "cos^-1" or "arccos".

Make sure your calculator is in degrees, not radians!

cos^(-1) [17/`9]

26.52

---Round to the nearest degree per the instructions

Answer: 27 degrees

Hope this helps!

8 0
3 years ago
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liraira [26]
Volume of a rectangular prism is length * width * height. 

The figure can be broken into 3 different prisms. Left to right, I'd label them 1st tower, connecting base, 2nd tower. 

I'll do the 2nd tower first since it has the most measurements. 5 * 5 * 12 = 25 * 12 = 300

The first and second towers are congruent so they have the same measurements; we just do 300 + 300 to find their volumes. It's 600. 

Now, to find the connecting piece. The whole bottom length of this "U" shaped figure is 18 but the two towers have lengths of 5. To find the base of the portion we're looking for, we do 18 - 2(5) = 18 - 10 = 8. To find the height, we take away the top part of the second tower (7 m) from the whole height (12 m). 12 - 7 = 5. The width is given by the towers so we have what we need to solve. 

8 * 5 * 5 = 40 * 5 = 200

Now add the volumes all together. 

600 + 200 = 800

The figure has a volume of 800 cubic meters or 800 m³.
8 0
3 years ago
Select the correct answer from each drop-down menu.
Oksi-84 [34.3K]

Answer:

we \: have \: ohms \: law \: h =  {i}^{2} rt \\  \frac{h}{t}  =  {i}^{2} rt \div t = p \\  p =  {i}^{2} r....(1) \\ we \: have \: v = ir \\ i =  \frac{v}{r} .....(2) \\ put \: (2) \: in \: (1) \\ then \: p =  { (\frac{v}{r}) }^{2} r \\ p =  \frac{ {v}^{2} }{r}  \\ v =  \sqrt{pr}  =  {(pr)}^{ \frac{1}{2} }  \\ 2) \\ here \: r = 32 \: and \: p = .5 \\ then \: v =  \sqrt{32 \times .5}  \\  =  \sqrt{16}  = 4volt \\ thank \: you

6 0
3 years ago
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