Question

ANSWER THE BLANKS ..QUESTIONS FROM CLASS 9 ​

Answer 1

Answer:

12√5cm²

Step-by-step explanation:

a=7

b=9

c=14

s=(a+b+c)/2

s=(7+9+14)/2=30/2=15

Area of the triangle = $\sqrt{s(s-a)(s-b)(s-c)}$

                                     =√(15)(15-7)(15-9)(15-14)

                                     =√(15)(8)(6)(1)

                                      =√(3x5)(2x2x2)(2x3)

                                        =12√5

hope this helps you

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