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damaskus [11]
3 years ago
10

21. If the area of the plane shape below is36cm, find its height.​

Mathematics
2 answers:
mariarad [96]3 years ago
4 0

Answer:

4 cm

Step-by-step explanation:

The figure is a parallelogram with area (A) calculated as

A = bh ( b is the base and h the perpendicular height )

Here A = 36 and b = 9 , thus

9h = 36 ( divide both sides by 9 )

h = 4 cm

musickatia [10]3 years ago
3 0

Answer:

Step-by-step explanation:

considering the breadth of the shape as 5cm and length as 9cm...

now... for finding the height of the plane shape...

we need to use the formula for area of a trapezium...

so. area of a trapezium = 1/2 x height x sum of parallel sides

we are given area of trapezium = 36cm^2

SO SUBSTITUTING THE EQUATION...

36 = 1/2 x height x (9+9)

height = 4cm

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Extracting the key information from the question:

*** A baker uses 13 1/2 cups of flour to make key lime bread

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Now, since she uses 2 1/4 to make each loaf, we will convert this into improper fraction.

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Again, we learnt she sells 2/3 of the total loaves she makes.

Since total = 6, then 2/3 of 6 is:

2/3 × 6 = 4 loaves .

Therefore, the baker sells 4 loaves of key lime bread.

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