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TEA [102]
3 years ago
7

Need help on this please

Mathematics
1 answer:
Mazyrski [523]3 years ago
6 0

Answer:

dff

Step-by-step explanation:

saf

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Find x(3x+72) triangle
Alinara [238K]

Answer: x = -4 ; Angle = 60°

Concept:

The given figure is a triangle with 3 arc signs on each angle. This <u>arc sign </u>stands for the corresponding angles are congruent, which in this question, it shows that all three angles are congruent. Sometimes, if the figure has multiple angles and there are different groupings of congruent angles, then we use different numbers of arcs or symbols.

Solve:

<u>Given information</u>

An angle = 3x + 72

Total measure of angles = 180 (triangle angle sum theorem)

Total number of congruent angles = 3

<u>Given expression</u>

Total measure = Total number of congruent angles × An angle measure

<u>Substitute values into the expression</u>

180 = 3 (3x + 72)

<u>Divide 3 on both sides</u>

180 / 3 = 3 (3x + 72) / 3

60 = 3x + 72

<u>Subtract 72 on both sides</u>

60 - 72 = 3x + 72 - 72

-12 = 3x

<u>Divide 3 on both sides</u>

-12 / 3 = 3x / 3

\boxed{x=-4}

<u />

<u>Find the angle measure</u>

3x + 72 = 3 (-4) + 72 = \boxed{60}

Hope this helps!! :)

Please let me know if you have any questions

6 0
2 years ago
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50 points! Look at the picture attached. I will mark brainliest
Radda [10]
I’m pretty sure the answer would be 116
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The mean of five numbers is 16.4 .
vredina [299]

Answer:

11

Step-by-step explanation:

11

8 0
3 years ago
Show that &lt;1+&lt;2+&lt;3=180, if line l and m are parallels cut by two transversals.
Svet_ta [14]

Step-by-step explanation:

Angle 1 2 and 3 are angles that are in a triangle and all the angles in a triangle always add up to 180

so <1 +<2 +<3=180

Hope that helps :)

7 0
3 years ago
Aaron is 63 inches tall. In oder to ride a roller coster at a amusement park,a person must ne be at 5 feet tall. Is Aaron tall e
NARA [144]
Yes, Aaron is 5'3. He is tall enough to ride the roller coaster.
5 0
2 years ago
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