एक त्रिभुज की भुजाओं की लंबाई 7 सेमी, 8 सेमी और 9 सेमी है। इसका परिमाप ज्ञात कीजिए।

From one corner of a square sheet with a side of 4 units, a square piece with a side of 1 unit is removed. Which of the following statements is correct with respect to this situation?

Four identical small squares are cut out from the four corners of a larger square. If the perimeter of the original large square was 36 cm, what is the perimeter of the remaining shaded region?