Question
The sides of a triangle are 13 cm, 14 cm, and 15 cm.
What is the area of the triangle?Solution
We can use Heron’s formula to find the area of the triangle. First, find the semi-perimeter (s): s = (13 + 14 + 15) / 2 = 21 cm Now, use the formula for area: Area = √[s(s - a)(s - b)(s - c)] Area = √[21(21 - 13)(21 - 14)(21 - 15)] Area = √[21 × 8 × 7 × 6] Area = √[7056] Area = 84 cm² Correct Option: a) 84 cm²
Which is the SIXTH (LAST) sentence of the paragraph?
1) announcing        2) issued           3) delivered               4) expression       5) laidÂ
...1) Vivekananda advocated bodybuilding and exercise to help boost one’s morale and strength.
2) It was a call to action, to karma, rather th...
Find the appropriate word.
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Choose the appropriate word to fill the blank.
Choose the most appropriate word to fill the blank (g)
Select the most appropriate option to fill in blank.
Why is the rupee and other currencies facing a pressure lately?
Find out the appropriate word in each case.
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