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laiz [17]
3 years ago
13

A square poster board has sides that are 40 inches long when the triangular flaps at the sides ate opened the poster board takes

the shape of a trapezoid the base of each triangle is 24 inchest what is the area of the trapezoid poster board
Mathematics
1 answer:
Alchen [17]3 years ago
7 0

Answer:

IDK just try

Step-by-step explanation:

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Please i need it for now PLSSSS
bearhunter [10]

The measure of the other side of a quadrilateral is 3\sqrt{13} cm.

In the given quadrilateral one side is unknown we need to find the unknown side.

By dividing the given quadrilateral into a rectangle and a triangle we can find the other side.

<h3>What is Pythagoras theorem?</h3>

The Pythagoras theorem states that if a triangle is right-angled, then the square of the hypotenuse is equal to the sum of the squares of the other two sides. That is, c^{2}=a^{2}+b^{2}.

Now, x^{2} =9^{2}+6^{2}=81+36=17

⇒x=\sqrt{13 \times 9} =3\sqrt{13}

Therefore, the measure of the other side of a quadrilateral is 3\sqrt{13} cm.

To learn more about Pythagoras' theorem visit:

brainly.com/question/343682.

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4 0
2 years ago
1/2 plus 1/5 plus 2/6 plus 1/8
mamaluj [8]

Need to find the common denominator for the fractions which is 120.

Multiply by 60 for 1/6 . Multiply by 24 for 1/5. Multiply by 20 for 2/6. Multiply by 15 for 1/8.

(1)(60)/(2)(60)+(1)(24)/)5)(24)+(2)(20)/(6)(20)+(1)(15)+(8)(15)

= 60/120+18/120+40/120+15/120

= 78/120+55/120

= 139/120 or in mixed number : 1 19/120

Answer: 139/120 , 1 19/120

4 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST HELP ASAP!! A caterpillar crawling in a straight line across a coordinate plane starts at point (—3, —4) an
ivann1987 [24]

Answer:

15

Step-by-step explanation:

The slope = \frac{change in y}{change in x} =\frac{38+4}{25+3} =\frac{42}{28} =\frac{3}{2}

This means that when the caterpiller moves 2 units to the right, it moves 3 units up.  Since 42/3 = 28/2 = 14. this happens 14 times from (-3, -4) to (25, 28).   Counting the starting point (-3, -4) we get 14 + 1 = 15 points with integer coordinates.

3 0
3 years ago
Rfsdasadsadsadsadsadasdsadasdsa
Fudgin [204]

Answer:

Re :3

Step-by-step explanation:

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5 0
4 years ago
Solve the equation for x. 3(11x + 5) = 279
Igoryamba

Answer:

x=8

Step-by-step explanation:

3(11x + 5) = 279

Divide each side by 3

3/3(11x + 5) = 279/3

11x+5 = 93

Subtract 5 from each side

11x+5-5 = 93-5

11x = 88

Divide by 11

11x/11 = 88/11

x =8

4 0
3 years ago
Read 2 more answers
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