3 years ago

Which angles are obtuse angles in the figure shown

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

5 0

The answer is D because those angels are greater than 90 degrees

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I need help please?!!!!!!

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The trapezoid has one pair of parallel sides.

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the lengths of the side of a rectangular window have the ratio 1.7 to 1 the area of the window is 2,720 sqaure inches what are d

nignag [31]

Answer:

$Lenght: 68\ in\\\\Width: 40\ in$

Step-by-step explanation:

The formula for calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width.

You know that the ratio of the sides of the rectangular window is:

$1.7:1$

Then, let be $x$ the width (in inches) of the rectangular window and $1.7x$ the lenght (in inches) of the rectangular window.

Knowing that the area of the window is 2,720 square inches, you can know that:

$(1.7x)(x)=2,720$

Now you must solve for "x" in order to find the width:

$(1.7x)(x)=2,720\\\\1.7x^2=\\\\x=\sqrt{\frac{2,720}{1.7} }\\\\x=40$

Finally, the lenght is:

$1.7x=1.7(40)=68$

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4 years ago

How do I count by twelfths

Korvikt [17]

12, x 1 = 12

12 x 2 =24

12 x 3 = 36

12 x 4 =48

12 x 5= 60

12 x 6 =72

12 x 7 = 84

12 x 8= 96

12 x 9= 108

12 x 10 = 120

12 x 11=132

12x 12= 144

hope this helps

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