Correct option is D
Given:
Side length of the equilateral triangle, a = 10 cm
Formula Used:
Solution:
Thus, correct option is (d).
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Question
Find the area of an equilateral triangle with a side length of 10 cm.
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Similar Questions
- 1)
If the angles of a triangle are 4x°, 3x°, 2x° then 1/4x° =
- 2)
In a triangle, sides are proportional to 7:9:14. If the shortest side is 14 cm, find the perimeter.
- 3)
In the given figure, angle ABD = 110 degrees and angle ACE = 125 degrees. What is the value (in degrees) of angle BAC?
- 4)
In the given figure, angle ABC = 65 degrees and angle ACD = 120 degrees.
What is the value (in degrees) of angle BAC?
- 5)
If the sides of a triangle are in the ratio of 1:√3:2, then what is the ratio of its corresponding angles ?
- 6)
In △ABC, AB = AC = 12 cm, BC = 5 cm and D is a point on AC such that DB = BC. What is the measure of CD?
- 7)
In a quadrilateral ABCD, a line segment BD is a diagonal such that AB=CD and ∠ABD=∠CDB. Are the triangles ABD and CDB congruent? If so, by what rule?
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A right-angled triangle has a hypotenuse of 13 cm and one leg of 5 cm. A second right-angled triangle is similar to the first, and its hypotenuse is 39 cm. What is the area of the second triangle?
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In a trapezoid ABCD with AB parallel to CD, the diagonals AC and BD intersect at E. What is the ratio of the area of △ABE to the area of △CDE?
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A right triangle ABC is inscribed in a circle with a diameter of 10 cm. An altitude BD is drawn from the vertex B to the hypotenuse AC. If the length of the leg AB is 6 cm, what is the length of the segment AD?
