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Natali [406]
3 years ago
14

if 2 X degree is the exterior angle of triangle and x degree and 45 degree are opposite interior angle find the value of x degre

e​
Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
8 0

Answer:

45 degrees.

Step-by-step explanation:

The exterior angle = sum of the 2 opposite interior angles.

2x =  x + 45

2x - x = 45

x = 45.

viktelen [127]3 years ago
3 0

Answer:

x = 45 degrees

Step-by-step explanation:

<u><em>The measure of exterior angles is equal to the sum of non-adjacent interior angles</em></u>

=> 2x = x+45

=> 2x-x = 45

=> x = 45 degrees

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Please give me the answer to this problem
Darya [45]

Total 27inch^

Calculation of 1 rectangle +1 triangle(11-7=4 is the base)

triangle    x^+4^=5^

                  x^+16=25

                  x^=9

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Sides of triangle  Base=4   Hypotenuse=5     height =3 

area 1/2 4  x  3  =2x3=6

Area triangle =6

Area Rectanglel   7x3=21

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5 0
3 years ago
Solve for x in quadratic equation if x(2x-1)=1 , can you please help me please ​
kumpel [21]

Answer:

x=1 or -1/2

Step-by-step explanation:

The value of x is 1 or -1/2

8 0
3 years ago
A study has indicated that the sample size necessary to estimate the average electricity use by residential customers of a large
Zanzabum

Answer:

\sigma=547.1125

Step-by-step explanation:

-The margin of error is calculated using the formula:

ME=z_{\alpha/2}\times \frac{\sigma}{\sqrt{n}}\\\\

-We substitute the values, n=900 and ME=30 in the formula to solve for standard deviation:

ME=z_{\alpha/2}\times \frac{\sigma}{\sqrt{n}}\\\\\\30=1.645\times\frac{\sigma}{\sqrt{900}}\\\\\sigma=\frac{30^2}{1.645}\\\\=547.1125

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7 0
3 years ago
An automobile engineer is redesigning a conical chamber that was originally specified to be 12 inches long with a circular base
kirill115 [55]

Answer:

the original volume is lesser than the new volume by 242.47 in³

Step-by-step explanation:

Volume of a cone is;

V = ⅓πr²h

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h is height

For the original chamber;

r = 5.7/2 = 2.85 inches

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Volume of this original chamber is;

V_orig = ⅓ × π × 2.85² × 12

V_orig = 102.02 in³

In the new design, the chamber is scaled by a factor of 1.5.

Thus;

r_new = 2.85 × 1.5 = 4.275 inches

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V_new = 344.49 inch³

V_new - V_orig = 344.49 - 102.02 =

Thus, the original volume is lesser than the new volume by 242.47 in³

6 0
3 years ago
Need help answering ​
adelina 88 [10]
I think the answer is 11
4 0
3 years ago
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