Using Heron’s formula, s = (a + b + c) / 2, where s is the semi-perimeter. s = (13 + 14 + 15) / 2 = 21 cm. Area = √[s(s - a)(s - b)(s - c)] = √[21 * (21 - 13) * (21 - 14) * (21 - 15)] = √[21 * 8 * 7 * 6] = √7056 = 84 cm² Correct Answer: a) 84 cm²
Fruit cracking is due to the deficiency of:
The provision for disability compensations for the person, who is declared unfit after medical examination and for whom no alternate employment is possi...
How many beneficiaries are covered in the Jal Jeevan mission?
Which of the following lakes is a brackish water lake?
Which countries are part of the COP29 Troika?
State Bank of India celebrated its Foundation Day on 01st July 2023, it was ________ foundation day of SBI.
The lowest distance from which the eye can clearly see an object without any difficulty, is called
Which of the following statements is/are correct regarding the Arya Samaj and Swami Dayanand Saraswati?
Statement A: The original name of Swami D...
Which company was awarded the Global Gold Award by The Green Organisation at the Green World Awards 2023 event in Miami, USA?
Which microorganism among the following causes Cholera?
