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schepotkina [342]
3 years ago
5

On a coordinate plane, parallelogram A B C D is shown. Point A is at (negative 3, negative 1), point B is at (7, 9), point C is

at (8, negative 1), and point D is at (negative 2, negative 11). Create a rectangle around the parallelogram. The dimensions of this rectangle are ____(1). Find the area of the four right triangles surrounding the parallelogram. The total area of the triangles is _____(2) square units. Subtract the triangle areas from the area of the rectangle to obtain the area of the parallelogram. The area of parallelogram ABCD is ______(3) square units.
Mathematics
2 answers:
sesenic [268]3 years ago
7 0

Answer:

just wanted to say hi

Step-by-step explanation:

Plz give 5 star

Blizzard [7]3 years ago
4 0

Answer: HOPE THIS HELPSS!!! please mark me brainliestt

11 by 20

             110

             110

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An angle measured 10 degrees less than the measure of its complementary angle. Find the measure of both angles
Mazyrski [523]

Answer:

The measure of the angles are 40 degrees and 50 degrees

Step-by-step explanation:

Let

x ----> the measure of one angle in degrees

y ----> the measure of the complementary angle in degrees

we know that

If two angles are complementary, then their sum is equal to 90 degrees

so

x+y=90 ----> equation A

we have that

x=y-10 ----> equation B

Substitute equation B in equation A and solve for y

(y-10)+y=90\\2y-10=90\\2y=100\\y=50

Find the value of x

x=50-10=40

therefore

The measure of the angles are 40 degrees and 50 degrees

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Help please 10 points !!!!!
____ [38]

If an object has a density of less than 1 g/ml, the object will float in water.

So, fourth option is correct

Density = \frac{Mass}{Volume}

The object with density less than 1 g/ml will float, and the object with a density more than 1 g/ml will sink.

So, if an object has a density of less than 1 g/ml, the object will float in water.

Therefore, fourth option is correct

Learn more about density here:

brainly.com/question/3049000?referrer=searchResults

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