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Len [333]
3 years ago
10

10 cm А B 7 cm 19 cm D С 15 cm Calculate the area of ABCD.

Mathematics
2 answers:
IgorLugansk [536]3 years ago
5 0

Answer:

the area is 150 cm^2

Step-by-step explanation:

Hope this helps

Dmitriy789 [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Ratio+Yb better

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if the perimeter of a rectangular picture frame must be less than 180 in., and the width is 26 in., what must the hight (h) of t
juin [17]
First since the perimeter of this problem is P=2b x 2h I first multiplied 26 by 2 and got 52 inches. then I subtracted 52 from 180 and got 128. From there I divide 128 by 2 and I got 64 for the length
6 0
3 years ago
8000000000000000 minus 280000000000000 In standard form
zavuch27 [327]

Answer:

7.72 * 10^15

Step-by-step explanation:

8*10^15 - 2.8*10^14 = 7.72 * 10^15

5 0
3 years ago
For the rhombus below, find the measure of angles 1,2,3 and 4.
Alexus [3.1K]

Answer:

∠1 is 33°

∠2 is 57°

∠3 is 57°

∠4 is 33°

Step-by-step explanation:

First off, we already know that ∠2 is 57° because of alternate interior angles.

Second, it's important to know that rhombus' diagonals bisect each other; meaning they form 90° angles in the intersection. Another cool thing is that the diagonals bisect the existing angles in the rhombus. Therefore, 57° is just half of something.

Then, you basically just do some other pain-in-the-butt things after.

Since that ∠2 is just the bisected half from one existing angle, that means that ∠3 is just the other half; meaning that ∠3 is 57°, as well.

Next is to just find the missing angle ∠1. Since we already know ∠3 is 57°, we can just add that to the 90° that the diagonals formed at the intersection.

57° + 90° = 147°

180° - 147° = 33°

∠1 is 33°

Finally, since that ∠4 is just an alternate interior angle of ∠1, ∠4 is 33°, too.

5 0
3 years ago
A line passes through the points (1, 4) and (0, 0). What is its equation in slope-intercept form?
malfutka [58]

Answer:

y=4x

Step-by-step explanation:

6 0
3 years ago
Is 3,3,7 a triangle
Nina [5.8K]
No. You can’t add the two lower numbers up to make the bigger number making them not a triangle.
8 0
3 years ago
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