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photoshop1234 [79]
3 years ago
6

Please help me solve this

Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0

Answer:

20.5

Step-by-step explanation:

By the Triangle Midsegment Theorem, the midsegment connecting the midpoints of two sides of a triangle is parallel to the third side of the triangle, and the length of this midsegment is half the length of the third side. Therefore, (1/2)FH ≡ IH, (1/2)HG ≡ HJ. Knowing that IJ = 8 gives you the presidence to solve for the perimeter.

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Answer:

82 ducky grouses, 41 trumpeter swans, 26 sand hill cranes, 164 chikadees

Step-by-step explanation:

4 0
3 years ago
If 5 pounds of broccoli costs $12.00 then how much will 7 pounds of broccoli cost
kondaur [170]
Each pound costs 2.40, 
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8 0
3 years ago
This figure shows three identical spherical billiard balls of diameter 6 cm inside an equilateral triangular frame.
Alenkasestr [34]

Answer:

Perimeter = 18(1 + √3 ) cm

Step-by-step explanation:

The radius of each ball = 1/2 * 6 = 3 cm.

Lines drawn from the 2 points of contact for one billiard ball to the center of the ball are at right angles to the sides of the triangle ( Tangent/radius theorem).

If we now draw a line from the vertex of the big triangle to the center of the ball we get 2 right triangles, and they are 30-60-90 triangles.

If the adjacent side of a triangle  ( which is part of the side of the big triangle) = x:

tan 30 = 3 / x

x = 3 / tan 30

=  3 / 1/√3

=   3√3 cm.

There are 6 of these sides in the big triangle so their total length =

18√3 cm.

The three 'middle' sides joining 2 billiard balls  each have a length of  2 radii = 6 cms   ( as they form a rectangle with the radii of 2 billiard balls).

So the perimeter of the triangle = 18√3 + 3(6)

= 18(1 + √3 ) cm

I would have liked to transfer a diagram but I can't get to copy it to this site.

7 0
2 years ago
2a = 8<br> 4b = 0<br> 5c = 35<br> x/2 = 8
Furkat [3]
A=4
B=0
C=7
X=16
This is what I think
3 0
3 years ago
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