Find the missing base of a triangle
Work backward from the area: base × height = twice the area.
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A triangle has an area of 15 cm² and a height of 5 cm. What is the length of its base?
Answer: 6 cm
A triangle has an area of 60 cm² and a height of 12 cm. What is the length of its base?
Answer: 10 cm
A triangle has an area of 48 cm² and a height of 12 cm. What is the length of its base?
Answer: 8 cm
Tip: Work backward from the area: base × height = twice the area.
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