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A triangle with a base of 5 inches a height of 4 inches.
Millie makes a placemat with a triangular pattern. Each triangle has a base of 5 inches and a height of 4 inches. Millie sews together a total of 42 triangles.

Each triangle has an area of inches2
The total area of the placemat is inches2
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Respuesta :

devishri1977

Answer:

Step-by-step explanation:

[tex]Area=\frac{1}{2}bh\\\\=\frac{1}{2}*5*4\\\\=5*2[/tex]

= 10 square inches

Area of the place mat = 42 * 10 = 420 square inches

Area of each triangle =  10 square inches

Area of the place mat = 420 square inches