Question

Please answer it fast I will give brainliest​

Answer 1

The ignition temperature of a substance is the least temperature at which the substance starts combustion.the partial sterilization of a product, such as milk or wine, to make it safe for consumption and improve its keeping quality.

Answer 2

Answer:

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Now, area of shaded region = area of big whole square – area of small inner square – area of 4 semi-circles. ⟹Area of shaded region = 196 – 16 – 25.12 = 154.88cm2. Note: In order to solve this type of question the key is to divide the unshaded region into known shapes and then we compute its area