2 years ago

What is the difference between 85.23 and 2.675

Mathematics

1 answer:

Vinil7 [7]2 years ago

5 0

Answer:

82.555

Step-by-step explanation:

Based on the given conditions, formulate:

85.23 - 2.675

Calculate the sum or difference: 82.555

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lubasha [3.4K]

Answer:

$\large\boxed{A=153\ cm^2}$

Step-by-step explanation:

<em>Look at the picture.</em>

We have

square with side length a = 9

trapezoid with base lengths b₁ = 9 and b₂ = 6 and the height length h = 6

right triangle with legs lengths l₁ = 3 + 6 = 9 and l₂ = 6

The formula of an area of a square

$A=a^2$

Substitute:

$A_I=9^2=81\ cm^2$

The formula of an area of a trapezoid:

$A=\dfrac{b_1+b_2}{2}\cdot h$

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