Respuesta :

gustanika
This is the formula for area of triangle
1/2 × b × h = a

We know from the question:
a = 228 m²
h = 19 m
and the question what is the b?

Input the number to the formula
1/2 × b × h = a
1/2 × b × 19 = 228
b × 19 = 228 × 2/1
b × 19 = 456
b = 456/19
b = 24

The base is 24 m

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