Step-by-step explanation:
area of triangle = 1/2 × base × height
= 1/2 × 6×4
= 12 cm²
<em>plz </em><em>mark</em><em> my</em><em> answer</em><em> as</em><em> brainlist</em><em> plzzzz</em><em>.</em>
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<em>thankyou.</em>
Answer: The sample might not be a representative of the population because it only included lunch customers.
Step-by-step explanation: