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Base of a triangle is 4 cm less than its height. If height is 18 cm, then find the area of the triangle.
- a)118cm2
- b)126cm2
- c)120cm2
- d)110cm2
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Base of a triangle is 4 cm less than its height. If height is 18 cm, t...
To find the area of a triangle, we need to know the base and height of the triangle. In this case, we are given that the height of the triangle is 18 cm. We also know that the base of the triangle is 4 cm less than its height.
Let's use the formula for the area of a triangle: Area = (base * height) / 2
Given that the height is 18 cm, we can calculate the base using the information that the base is 4 cm less than the height.
Let's calculate the base:
Base = Height - 4 cm
Base = 18 cm - 4 cm
Base = 14 cm
Now that we know the base and height of the triangle, we can use the formula to find the area.
Area = (Base * Height) / 2
Area = (14 cm * 18 cm) / 2
Area = (252 cm^2) / 2
Area = 126 cm^2
Therefore, the area of the triangle is 126 cm^2.
Therefore, option B is the correct answer.
Let's use the formula for the area of a triangle: Area = (base * height) / 2
Given that the height is 18 cm, we can calculate the base using the information that the base is 4 cm less than the height.
Let's calculate the base:
Base = Height - 4 cm
Base = 18 cm - 4 cm
Base = 14 cm
Now that we know the base and height of the triangle, we can use the formula to find the area.
Area = (Base * Height) / 2
Area = (14 cm * 18 cm) / 2
Area = (252 cm^2) / 2
Area = 126 cm^2
Therefore, the area of the triangle is 126 cm^2.
Therefore, option B is the correct answer.
Community Answer
Base of a triangle is 4 cm less than its height. If height is 18 cm, t...
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Base of a triangle is 4 cm less than its height. If height is 18 cm, then find the area of the triangle.a)118cm2b)126cm2c)120cm2d)110cm2e)None of theseCorrect answer is option 'B'. Can you explain this answer?
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