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grin007 [14]
4 years ago
9

Nzjksjsjdidnxnskusxh

Mathematics
2 answers:
Eddi Din [679]4 years ago
6 0
Simply apply the formula :
Area of a triangle = 1/2 x base x height

A = 1/2 x 18 x 11=
A = 99 cm^2
igomit [66]4 years ago
4 0

Answer:

99cm^2

Step-by-step explanation:

Look at pic

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