Find the value of the following expression:

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

7 0

Answer:

The radicand may not always be a perfect square. If a positive integer is not a perfect square, then its square root will be irrational. Consider 5–√ , we can obtain an approximation by bounding it using the perfect squares 4 and 9 as follows:

Step-by-step explanation:

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I need to know the answer to the question with the circle

KATRIN_1 [288]

___________________________

◆ AREA RELATED TO CIRCLES ◆ ___________________________

As shown in the figure ,

Radius of circle = 5 cm

Side of square = 2 × (Radius of inscribed circle)

Side of square = 2 × 5 cm

Side of square = 10 cm = a

___________________________

Now ,
Area of shaded region = (Area of square) - ( Area of inscribed circle )

Area of shaded region =
${a}^{2} - \pi {r}^{2}$

Area of shaded region =
${10}^{2} - \frac{22}{7} \times {5}^{2}$

Area of shaded region = 100 - 78.571

$= 21.428 \: ans.$