Question

Semi perimeter of triangle whose sides are 20 cm, 15 cm, 9 cm​

Answer 1

GIVEN:

SIDES OF TRIANGLE=20cm,15cm,9cm

TO FIND:

SEMI–PERIMETER

FORMULA:

PERIMETER=SUM OF SIDES

SEMI–PERIMETER=PERIMETER/2

PROCEDURE:

SEMI–PERIMETER={(20+15+9)/2}cm

=(44/2)cm

=22cm

ANSWER:

22cm

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