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Masja [62]
3 years ago
13

HELP ME PLZZZ

Mathematics
2 answers:
Setler79 [48]3 years ago
6 0
H = height of triangle
b = length of triangle base
A = area of triangle

Recall the formula for area of a triangle :

A = 1/2 bh

Plug in what was given in the problem :

h = b - 5
A = 42

A = 1/2 bh
42 = 1/2 b (b-5) 

Dimas [21]3 years ago
4 0
The answer would be B.
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