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3 years ago

SOMEONE PLEASE HELP!!! what is the value of x? A.15 B.25 C.30 D.35

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

6 0

The answer is C) 30 degrees

Note how the 30 degree angle and the x degree angle are both inscribed angles that cut off (or subtend) the same arc. By the inscribed angle theorem, the two inscribed angles are therefore equal to one another.

Amiraneli [1.4K]3 years ago

4 0

The answer is D, 35 degrees. The 35 degree angle and angle x are opposite interior angles and are therefore congruent in measure.

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Find the measure of angle B.

Elza [17]

Answer:

The measure of angle B is 122° ⇒ answer D

Step-by-step explanation:

* Lets explain how to solve the problem

- The sum of interior angles of any polygon can found by using this

rule (n - 2) × 180° , where n is the number of the sides or angles

of the polygon

∵ ABCDEFG is a polygon of 7 sides

∴ The sum of the measures of the interior angles = (7 - 2) × 180°

∴ The sum of the measures of the interior angles = 900°

∵ m∠A = 12x - 9 , m∠B = 9x + 14 , m∠C = 133° , m∠D = 10x + 9

∵ m∠E = 10x , m∠F = 136° , m∠G = 10x + 5

∵ The sum of all angles = 900°

∴ 12x - 9 + 9x + 14 + 133 + 10x + 9 + 10x + 136 + 10x + 5 = 900

∴ 51x + 288 = 900

- Subtract 288 from both sides

∴ 51x = 612

- Divide both sides by 51

∴ x = 12

∵ m∠B = 9x + 14

∵ x = 12

∴ m∠B = 9(12) + 14 = 122°

* The measure of angle B is 122°

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3 years ago

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Mr.russo exchanged 200 euros (European money) for 270 dollars. how many dollars would he get for 300 euros

Damm [24]

Answer:

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Step-by-step explanation:

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4 years ago

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Consider these three squares with known area. 3 squares. The smallest square is labeled 25, the next square is 144, and the larg

Neko [114]

Answer:

The answer is "5, 12, and 13".

Step-by-step explanation:

Please find the complete question in the attached file.

The right triangle is a triangle with only an angle of 90 degrees, as well as the go in the angle of 90 degrees, which is considered a hypotenuse.

The hypotenuse calculation square is equivalent to both the squared measures of the other two sides: