Question
The perimeter of an equilateral triangle is 36√3 cm.
Find its height.Solution
According to the question, 3 × side = 36√3 ⇒ side = 36√3/3 = 12√3 So, Height of the triangle = (√3/2) × 12√3 ⇒ 6√3 × √3 ⇒ 18 So, the height of the triangle = 18 cm ∴ Its height is 18 cm.
A Slap on the Wrist
Select the most appropriate meaning of the given idiom.
Spill the beans
The two famous writers crossed swords with each other on every issue.
He is always praised for his gift of the gab.
Directions : Which of the following phrases (I), (II) and (III) given below the sentence should replace the emboldened phrase to make the sentence gramm...
make full use of and derive benefit from a resource
Choose the option which best expresses the meaning of the idiom/phrase in bold in the sentence.
The opening batsman's devil-may-care approach may r...In each of the given questions, three sentences are given with a phrase/idiom highlighted in bold. You have to select the answer choice that s...
A piece of cake
Accept a belief, theory, or change willingly and enthusiastically
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