Question

please answer me ......​

Answer 1

Answer:

84cm square

Step-by-step explanation:

Perimeter of a triangle =sum of all sides

=24+7+x=56cm

31+x=56cm

X=25cm

Area=1/2×base×heighr

1/2×24×7

12×7=84cm square

Answer 2

Answer:

perimeter of triangle=sum of all sides of triangle

it's formula which we have to use in the question

Step-by-step explanation:

24+7+x=56

31+X=56

X=56-31

X=25

area=1/2×base×height

=1/2×24×7

=1/2×168

=84cmsquare

hope it may help you!!

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