Justin was looking for a birthday card for his sister. There were 9 funny cards, 7 serious cards, and 5 musical cards. How many
2 answers:
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Answer:
750 mm²
Step-by-step explanation:
<h3>Area of triangle:</h3>To find the area of the triangle, multiply the base and height and then divide the result by 2.
base = AC = 5 cm = 50 mm
height = DB = 30 mm