Question

Find the area of a rhombus whose diagonals are of lengths 10 cm and 4.2 cm.​

Answer 1

Answer:

This is the correct answer

Step-by-step explanation:

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Answer 2

Answer:

area of rhombus= 1/2× product of diagonal

= 1/2×10×4.2

=5×4.2

= 21 cm sq