a rectangular sheet of metal is 250 cm wide and has a diagonal of 472cm. Find the length and the area of the sheet metal.
1 answer:
Length of rectangular sheet = 400.35 cm
Area of sheet = 100087.5 cm²
Step-by-step explanation:
Given,
Width of rectangular sheet = 250 cm
Diagonal of rectangular sheet = 472 cm
Let,
x be the length of rectangular sheet.
A diagonal of rectangular, forms a right triangle where diagonal serves as hypotenuse.
Therefore;
a = x
b = 250
c = 472
Using pythagoras theorem;
Taking square root on both sides
Length of rectangular sheet = 400.35 cm
Area of sheet = Length * Width
Area of sheet = 250*400.35
Area of sheet = 100087.5 cm²
Keywords: rectangle, area
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Shapes are congruent if you can turn one into the other by moving, rotating or flipping. If any two triangles have matching side lengths, they're not necessarily congruent. The same happens if they have two matching side lengths, but If triangles have three matching side lengths, then they must be congruent. This is is known as the Side-Side-Side Postulate (SSS). Since in this problem corresponding sides measures the same, therefore we can say that the postulate that applies is:
B. Congruent - SSS