Need Help With Two Questions ASAP Plz, will mark brainliest

1.A tabletop in the shape of a trapezoid has an area of 4,940 square centimeters. Its longer base measures 123 centimeters, and the shorter base is 85 centimeters. What is the height?

2.How can you find the area of an irregular polygon using area formulas?

First, break the irregular polygon into shapes whose 1. ________ you can find using familiar formulas. The 2. _______ of these areas is the area of the polygon.

Fill in the blanks
1.
Sizes
Perimeters
Areas
Averages
Distances
2.
Product
Sum
Average
Difference