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yuradex [85]
3 years ago
7

Please help me on this one its the last one!

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
7 0

Answer:

9 cm

Step-by-step explanation:

Given that angle Y = 90 means that the triangle is a right angle triangle

If angle X = 30 degrees and xz =18 cm

xz is the hypotenuse side while zy is the opposite side considering the angle at X

Hence using the notation SOH CAH TOA

SOH

Sin X = zy/xz

Substituting

Sin 30 = zy/18

cross multiply

zy = 18 sin 30

zy = 18 * 0.5

= 9 cm

Evgesh-ka [11]3 years ago
4 0

Answer:

9 cm

Step-by-step explanation:

Hope this helps

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