2 years ago

Parallelogram has 2 pairs of congruent sides and the opposite angles are equal.

Mathematics

1 answer:

olga2289 [7]2 years ago

7 0

Answer:

True.

Step-by-step explanation:

In order for a quadrilateral to be a parallelogram, the top and bottom sides must be congruent, and the left and right must be congruent.

Opposite angles on either side are equal.

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in PQR the obtuse angle is 105 and the shorter sides measure 4 and 7 units Rounded to the nearest tenth what is the area of tria

cricket20 [7]

Answer:

the answer is 13.5

Step-by-step explanation:

A=105

B=4

C=7

so you just plug in using the trigonometric formula for area which in this case would be

1/2(4)(7)sin(105)

then you just type that into a graphing calculator (make sure its set to degrees) then you get 13.52 which would be 13.5 rounded.

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3 years ago

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zysi [14]

7,159=s problem A

8,946-7,150=1,796 Problem B

This is reasonable because I did everything step by step Problem C

Problem 1. the answer is 4,307+1,614=5,921

Problem 2. the answer is 5,036-2,149=2,887

Step-by-step explanation:

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3 years ago

In the figure, angle D measures 127° and angle A measures 75°.

almond37 [142]

Angles C and D are supplementary, or they add up to 180.

b = 180 - 75 - (180 - 127)

Hope this helps!

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3 years ago

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If c(x) = 4x – 2 and d(x) = x^2+ 5x, what is (c circle d) (x)?

Xelga [282]

Answer:

4x² + 20x - 2

Step-by-step explanation:

To evaluate (c ￮ d)(x), substitute x = d(x) into c(x)

c(x² + 5x)

= 4(x² + 5x) - 2

= 4x² + 20x - 2

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3 years ago

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PtichkaEL [24]

Answer:

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Step-by-step explanation:

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3 years ago