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blagie [28]
2 years ago
15

I NEEEDDDD HELP PLZZZZZZZZZZZZZZZZZZZZZZZZZ

Mathematics
1 answer:
Montano1993 [528]2 years ago
5 0

Answer:

80 cm

Step-by-step explanation:

The diagonals divide the rhombus into four congruent triangles.  The height of each triangle is 18/2 = 9, and the hypotenuse is 41.  Using Pythagorean theorem, the width of each triangle is:

c² = a² + b²

41² = 9² + x²

x = 40

Therefore, the longer diagonal is 2×40 = 80.

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