What is th area of a right angled traiangle ?
A. The perimeter of the triangle is 30 cm.
B. The ratio between the base and the height of the triangle is `5:12.`
C. The area of the trangle is equal to the area of a reactangle of length 10 cms.

Each of these questions consists of a question followed by informations in three statements. You have to study the question and the statements and decide that information in which of the statement(s) is/are necessary to answer the question. What is the area of right angled trangle ? (A) The perimeter of a triangle is 30 cm. (B) The ratio between the base and the height of the triangle is 5:12. (C ) The area of the triangle is equal to the area of a rectangle of length 10 cm.

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The perimeter of a right angled triangle is 60cm. Its hypotenuse is 25cm. Find the area of the triangle.

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The area of a right angled triangle is 600 cm^2 . If the base of the triangle exceeds the altitude by 10 cm, find the dimensions of the triangle.