Answer :

Alenk

Answer:

L= 25 mm

h=18 mm

b=6 mm

here

l=h= 18

now

by using formula

Area of triangle= 1/2*b*h

=1/2*6*18

= 3*18

= 54 mm square

Answer:

hello

Step-by-step explanation:

Area of triangle= (B*h) /2

base = 6 mm

height = 18 mm

Aera :

(6x18)/2

=108/2

=54 mm²

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