Answer:
249.6 cm
Explanation:
Ok so the formula for a triangle is (base*height)1/2
Base: 12
Height = 10.4
12 * 10.4 * 1/2 = 62.4
We have 4 triangles
62.4 * 4 = 249.6
249.60
there 4 triangles
bh1/2
(12)(10.4)1/2= 62.4 (one triangle)
62.4(4)=249.60 (all 4)
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