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nasty-shy [4]
3 years ago
9

HELP ASAP!! Can you explain how to decompose a rectangle into congruent triangles? How does the area of the decomposed pieces re

late to the area of the rectangle
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

Answer: You would divide the rectangle into half, to form two congruent triangles. When you multiply the area of 1 of the triangles, it gives you the area of both triangles, and so the area of the triangle as a whole

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The cost of 5 diesels is $1025. Calculate the cost of 17diesels
Talja [164]
To calculate the cost of 1 diesel divide the cost of 5 by 5 to get 1 or $1025/5=205
To get the cost of 17, multiply the cost of 1 which is 205x17=3,485 so 17 is $3,485
6 0
2 years ago
Which solids have infinitely many planes of symmetry? Check all that apply. right square pyramid cube right cylinder right hexag
allsm [11]

The answer is: Sphere and Right cylinder.

The explanation for this answer is shown below:

By definition, the numbers of planes of symmetry depends of each solid (a figure of three dimensions). The plane of symmetry divides the solid into two congruent halves which have mirror images.

Based on the information above, a cube has nine plane of symmetry, a square pyramid has four planes of symmetry, the hexagonals prims have thirteen and the spheres a cylinders have infinite number of plane of symmetry.

8 0
2 years ago
A rectangular picture frame has a length of 20 inches and a width of 15 inches. The perimeter of the frame can be found using th
Maslowich

Answer:

70

Step-by-step explanation:

7 0
2 years ago
Can some one help me plz
sineoko [7]
Well this is very simple lol 40-10

3 0
2 years ago
Read 2 more answers
If anyone could do this you be a literal life saver
mylen [45]

Answer:

Step-by-step explanation:

I really hope that solving a few trig questions can forestall death. That would be a really easy way to get rid of the C 19 restrictions and a myriad other diseases. BETTER LIFE THROUGH MATH will be our motto.

11) tan45 = x/13     x = 13

   cos45 = 13/y     y = 13√2

12) sin30 = 4/x      x = 8

     tan30 = 4/y     y = 4√3

13) sin60 = 21/x    x = 21(2/√3) = 42/√3

    y = xcos60 = (42/√3)(1/2) = 21/√3

14) cos45 = x/22   x = 22/√2

     sin45 = y/22   y = 22/√2

15) Height = 24sin30 = 12

cos 45 = 12/x   x = 12/√2

tan45 = y/12      y = 12

cos30 = z/24    z = 24(√(3)/2) = 12/√3

8 0
3 years ago
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