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lianna [129]
2 years ago
6

The diagonal of a quadrilateral

Mathematics
1 answer:
Tatiana [17]2 years ago
8 0

Answer:

It is a right angle .

c=42 m,    a = 7 m ,,,   b = 14 m

FORMULA

Area of triangle =1/2 (b × h)

                        = 1/2 (14 ×7)

                         =49 m²

Step-by-step explanation:

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