The discovery of Tutankhamun’s tomb was one of the greatest archaeological discoveries in the 20th century. The finding by the English archaeologist Howard Carter was significant because:.

It helped to know about ancient Egypt and record what an Egyptian king tomb look like.

Explanation:

King Tutankhamen's tomb became one of the famous finding by British archaeologist Howard Carter in 1922. The finding helped archaeologists and historians to understand ancient Egypt's culture and lifestyle. Carter excavated the tomb of Tutankhamen in the Valley of the Kings. The tomb was the only royal burial found in the modern period.

17°

Explanation: First find angle TVU. Line TV is straight line so 180°. Subtract 180 from 46 to find angle TVU. Angle TVU = 134.

All angles of a triangle adds up to 180. Find angle U by subtracting 180 by angle TVU and angle T. 180 - 29 - 134 = 17