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Orlov [11]
3 years ago
5

Can anyone help me to sove it?​

Mathematics
2 answers:
Mumz [18]3 years ago
8 0
Iam not very sure but i think y=22.5
MArishka [77]3 years ago
3 0

In triangle ABC and PQR,

  • Angle A = Angle P

( they are equal, measures 60° each )

  • Angle B = Angle Q

( they are equal, measures 43° each )

so, the given triangles are Similar by

=》AA Similarity criterion

now, since the triangles are similar

the corresponding sides will be proportional,

=》

\frac{AC }{PR}  =  \frac{BC }{QR}

=》

\frac{6}{15}  =  \frac{9}{y}

=》

\frac{2}{5}  =  \frac{9}{y}

=》

2y = 45

(by cross multiplication)

=》

y = 22.5

value of y = 22.5 cm

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Step-by-step explanation:

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3 years ago
Jenny is displaying her photographs
Inga [223]

Answer:

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B) 14 rows in total

Step-by-step explanation:

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Jenny wants to arrange these photos in rows with only one kind of photos in each row and same number of photos in each row. We have to find the greatest possible number of photos in each row. For this we need to find the greatest common factor of 45,18 and 63. This would give us the greatest possible number of photos that can be placed in each row.

By observing the 3 numbers, we can tell that the greatest common factor of these 3 numbers is 9. So, Jenny can place 9 photos in each row.

So,

There will be:

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Answer:

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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