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Artemon [7]
3 years ago
10

Find the surface area of this prism. Show your reasoning. Organize it so it can be followed

Mathematics
1 answer:
dolphi86 [110]3 years ago
5 0
Standing pieces:
2(9x6)+4(9x3) = 108+108 = 216
“L” horizontal pieces:
cut it to 3 squares of 3x3 each
2x3(3x3) = 54
total surface area = 216+54 = 270cm^2
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Which of the following statements is true if m∠E = m∠Y and m∠F = m∠X?
mars1129 [50]

Answer:

segment FE over segment XY equals segment EG over segment YZ equals segment GF over segment ZX

Step-by-step explanation:

see the attached figure to better understand the problem  

we know that  

If m∠E = m∠Y and m∠F = m∠X  

then  

Triangles EFG and YXZ are similar by AA Similarity Theorem  

Remember that  

If two figures are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent  

In this problem  

The corresponding sides are  

FE and XY  

EG and YZ  

GF and ZX  

so therefore  

segment FE over segment XY equals segment EG over segment YZ equals segment GF over segment ZX Firstly , let us learn about trigonometry in mathematics.  

Suppose the ΔABC is a right triangle and ∠A is 90°.  

sin ∠A = opposite / hypotenuse

cos ∠A = adjacent / hypotenuse

tan ∠A = opposite / adjacent

Let us now tackle the problem!  

A similar triangle has the same angle, in other words the triangle has the same shape but different sizes.  

From the figure in the attachment , we can conclude that:  

m∠E = m∠Y  

m∠F= m∠X  

m∠G = m∠Z  

∴ ΔEFG ~ ΔYXZ  ( ΔEFG is similar to ΔYXZ )    

Because of the similarity , then:  

FE : XY = EG : YZ = GF : ZX  

Conclusion:

ΔFG is similar to ΔYXZ.  

Segment FE over segment XY equals segment EG over segment YZ equals segment GF over segment ZX , i.e:    

Keywords: Sine , Cosine , Tangent , Opposite , Adjacent , Hypotenuse , Triangle , Fraction , Lowest , Function , Angle

3 0
3 years ago
Read 2 more answers
What is the side length of a cube with a volume of 0.216 m3?
aksik [14]

。☆✼★ ━━━━━━━━━━━━━━━  ☾

Cube root 0.216 to get your answer

(Note: This makes sense if you know the volume of a cube is the same value multiplied together 3 times)

The answer is option A 0.6 m

Have A Nice Day ❤

Stay Brainly! ヅ

- Ally ✧

。☆✼★ ━━━━━━━━━━━━━━━━  ☾

6 0
4 years ago
PLZ HELP<br><br> cot2x + 4cscx - 20
tamaranim1 [39]

Answer:this is not an equation

Step-by-step explanation:

3 0
3 years ago
A survey of teens suggested that 33% can name at least one professional baseball player, and 90% of those teens can also name at
loris [4]

Answer:

d.\ 0.33 + 0.64 – (0.90)(0.33) = 0.673

Step-by-step explanation:

Given

P(Baseball) = 33\%

P(Baseball\ n\ Football) = 90\%

P(Football) = 64\%

Required

P(Baseball\ or\ Football)

This is calculated as:

P(Baseball\ or\ Football) =P(Baseball) + P(Football) -P(Baseball\ n\ Football)

P(Baseball\ or\ Football) = 0.33 + 0.64 - (0.90)(0.33)

P(Baseball\ or\ Football) = 0.33 + 0.64 - 0.297

P(Baseball\ or\ Football) = 0.673

3 0
3 years ago
Dur rn help pls ))))))))))
Vadim26 [7]

Answer:

A is correct good luck bud

Step-by-step explanation:

3 0
2 years ago
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