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Adopting a more alternative R&B music style with his debut studio album Mind of Mine (2016) and its lead single, "Pillowtalk", Zayn Malik
became the first British male artist to debut at number one in both the UK and US, with his debut single and debut album.
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△ABC∼△PQR
PQ
AB
=
QR
BC
=
PR
AC
∴
9
12
=
x
7
=
y
10
⇒
9
12
=
x
7
∴ x=5.25
⇒
9
12
=
y
10
∴ y=7.5
Now, QuadABCD∼QuadPQRS
Then,
PQ
AB
=
QR
BC
=
RS
CD
=
PS
AD
x
16
=
y
50
=
z
3
50
=
7
20
⇒
x
16
=
7
20
∴ x=5.6
⇒
y
50
=
7
20
∴ y=17.5
⇒
3z
50
=
7
20
⇒ 3z=17.5
⇒ z=5.83
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