Answer:
(5 square root 2-4 square root 3) (5 square root 2-4 square root 3)
= 98 - 40
Step-by-step explanation:
i) (5 - 4
) × (5√2 - 4√3)
=(5 × 5
) - (5
× 4
) - (4
× 5
) + (4
× 4
)
= 50 - 20 - 20
+ 48
= 98 - 40
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Given:
One of the legs of a right triangle is 9 cm.
The area of the triangle is 225 cm².
To find:
The length of the other leg.
Solution:
The area of a triangle is
The area of a right triangle is
Let x be the length of other leg.
Therefore, the length of the other leg is 50 cm.