a teacher wants to buy the same number of colored markers and colored pencils markers come in boxes of 12 and pencils come in bo
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Answer:
Step-by-step explanation:
<h3>First Method:</h3>
<u>Using cosine rule</u>:
<u>First find XY using sine rule</u>:
Then use Pythagoras Theorem:
⇒ XY² + YZ² = XZ²
⇒ (6)² + YZ² = 12²
⇒ YZ² = 144 - 36
⇒ YZ = √108
⇒ YZ = 6√3
⇒ YZ = 10.4