Question

Find the area of rhombus whose each side is 13 m and one of the diagonals is 10 m.

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Answer 1

Answer:

we can simply find it

Step-by-step explanation:

as we know all sides of a rhombus are equal

so we can call it square

:d¹=10,d²=10

by rhombus area formula

½d¹.d²=100×½=50m²

Answer 2

Answer:

side of rhombus = 13m

it's one diagonal = 10m

half of the diagonal = 5m

then, by Pythagoras theorem:

(half of the other diagonal)² = 13² - 5²

= 169 - 25 = 144

half of the other diagonal = 12m

other diagonal = 24m

so, area of the rhombus = ( 1/2 × 10 × 24 )m²

= 120m².

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