New Learning Composite Mathematics Class 7 SK Gupta Anubhuti Gangal Properties of Triangles Chapter 10E Solution

New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Properties of Triangles Self Practice 10E Solution

(2) Classify the triangle as acute, obtuse or right. Measures of sides of all triangles are in the same unit.

(a) 8, 11, 13

(b) 9, 11, 15

(c) 9, 40, 41

(d) 7, 10, 12

(e) 7, 8, 11

(f) 10, 24, 26

(g) 10, 12-1/2, 7-1/2

(h) 9, 13, 16

Solution:

(3) Check whether each set of numbers forms a Pythogorean triplet. Write Yes or No.

(a) 30, 40, 50

(b) 15, 36, 39

(c) 10, 12, 13

(d) 9, 12, 15

(e) 10, 15, 17

(f) 9, 14, 19

(g) 63, 16. 65

(h) 64, 48, 80

Solution:

(4) Suppose, the numbers a, b anc c form a Pythogorean triplet. Is each of the following, also a Pythogorean triplet? Explain.

(a) A + 1, b + 1, c + 1

(b) 2a, 2b, 2c

Solution:


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