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Ilia_Sergeevich [38]
3 years ago
14

Find the volume of this shape.

Mathematics
2 answers:
Ilya [14]3 years ago
5 0

Look at the given solid in this way: View the ends as the triangular base of the solid. Find the area of this base and then mult. that by the "height," 14 cm.


The altitude of the triangle (h) is found using the Pyth. Thm.: (5 cm)^2 + h^2 = (8 cm)^2. Then h^2 = (64-25) cm^2. Then h = +6.245. Applying the formula for the area of a triangle, we get A = (1/2)(base)(height) = (1/2)(10 cm)(6.245 cm), or

31.225 square inches. Mult. that by the "height," or 14 cm, we get the final answer:


V of prism = (31.225)(14) cm^3, or 437.15 cm^3.

BARSIC [14]3 years ago
3 0

s=(a+b+c )/2

A=(s(s-a)(s-b)(s-c))^0.5

V=A*h

here a=10,b=8,c=8,s=13

V=437.14986

Hope it helps

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3 years ago
5x+2y=24 and 8x+2y=30
larisa86 [58]

Answer:

x = 2

y = 7

Step-by-step explanation:

5x+2y=24  -------------->equ 1

8x+2y=30 -----------> equ 2

equ 1 - equ 2 =====>         -3x = - 6

                                               x = -6 / -3  = 2

                                               x = 2

Put x = 2 in equ 1,  

 5*2 + 2y = 24

10 + 2y = 24

        2y = 24 - 10

         2y = 14

            y = 14/2

            y = 7

3 0
3 years ago
Why is positive 3 ?
ycow [4]
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4 0
3 years ago
Can somebody please help me with this question?
Aliun [14]

Answer:

120, 114, 126

Step-by-step explanation:

Since these are all exterior angles, they will all always add up to 360°. Since we know this, you can set up an equation and it would be x+(x+6)+114=360. When added you get 2x+120=360. Now subtract 120 on each side to get 2x equals 240. Then you divide by 2 and get that x is 120. Now all you have to do is plug x into the equations for the angles so they would be 120, 114, and 120+6 so 126. Now you have 120,114,and 126 as your angles. To check, just add all the angle measurements up and it should equal 360.

4 0
4 years ago
Read 2 more answers
F/6 = 2.5 <br> f equals what
MA_775_DIABLO [31]
Multiply f/6 by 6 to get f by itself
f=2.5 ×6
f= 15
3 0
3 years ago
Read 2 more answers
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