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2 years ago

[100 POINTS+BRAINLIEST] Use the figure to find each missing angle measure.

Mathematics

2 answers:

Nimfa-mama [501]2 years ago

8 0

Answer:

$< 1 = 112 \\ < 2 = 68 \\ < 3 = 90 \\ < 4 = 90 \\ < 5 = 22 \\ < 6 = 158$

Step-by-step explanation:

$< 4 = 90 \: (vertical \: angles)\\ < 3 = 180 - 90 = 90 \: (flat \: angle)\\ < 2 = 68 \\ < 1 = 112 \\ < 1 = 180 - 68 = 112 \: (triangle) \\ < 5 = 180 - < 2 - < 4 = 22 \\ < 6 = 180 - 22 = 158$

devlian [24]2 years ago

7 0

Answer:

Angle 1 is 112°, 2 is 68°, 3 is 90°, 4 is also 90°, 5 is 22° and angle 6 is 158°

Step-by-step explanation:

To find angles 3 &4 and 2 &1, you subtract the measurement given in each intersection from 180 (all straight lines are 180) to find the other angle measurements. To find 5 I used the 4th angle and the 2nd angle to find the missing number out of 180 since all of the angles in a triangle have a sum of 180°. The missing angle was 22. You can use the angle measurement of #5 to find 6 like how I mentioned before about all straight lines equaling 180°. If this all sounds like mumbo-jumbo I can elaborate a little more in the comment section!

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Answer:

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3 years ago

2 less then 3 times a number is 9

Masteriza [31]

$\huge\boxed{\text{As an expression:}\ 3x-2=9}$

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Let's start with " $3$ times a number". We will use $x$ to represent the number. $3x$

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Finally, "is $9$ ". $=9$

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3 years ago

Read 2 more answers

Determine the length of the leg of a 45o – 45o – 90o triangle with a hypotenuse length of 15 inches. ( ANSWER NEEDS TO BE IN RED

SIZIF [17.4K]

Answer:

The lenghts of both legs: $\frac{15\sqrt{2}}{2}\ inches$

Step-by-step explanation:

By definition, when a triangle has angles that measures 45°, 45° and 90°, its legs are congruent.

Then, knowing the lenght of the hypotenuse, we can find the lenght (in inches) of any leg of the given triangle by applying the Trigonometric Identity $sin\alpha=\frac{opposite}{hypotenuse}$ :

$sin(45\°)=\frac{leg}{15}\\\\leg=\frac{15}{\sqrt{2}}$

Finally, simplifying, we get:

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