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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?
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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, t...
To find the area of a triangle, we need to know both the base and the height of the triangle. In this question, we are given that the height of the triangle is 18 cm.
Let's assume that the base of the triangle is 'b' cm. According to the given information, the base is 4 cm less than the height. So we can write it as:
base = height - 4
Substituting the given height value, we get:
base = 18 - 4
base = 14 cm
So, the base of the triangle is 14 cm.
Now, we can use the formula for the area of a triangle, which is:
Area = (1/2) * base * height
Plugging in the values we have:
Area = (1/2) * 14 * 18
Area = 7 * 18
Area = 126 cm^2
Therefore, the area of the triangle is 126 cm^2.
Hence, the correct answer is option (B) 126 cm^2.
Let's assume that the base of the triangle is 'b' cm. According to the given information, the base is 4 cm less than the height. So we can write it as:
base = height - 4
Substituting the given height value, we get:
base = 18 - 4
base = 14 cm
So, the base of the triangle is 14 cm.
Now, we can use the formula for the area of a triangle, which is:
Area = (1/2) * base * height
Plugging in the values we have:
Area = (1/2) * 14 * 18
Area = 7 * 18
Area = 126 cm^2
Therefore, the area of the triangle is 126 cm^2.
Hence, the correct answer is option (B) 126 cm^2.
Community Answer
Base of a triangle is 4 cm less than its height. If height is 18 cm, t...
Yes bro you are right correct answer is 'B'.
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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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