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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Its perimeter is 20 units because by distance formula √(3-0)² + (4-0)² gives √25 which is 5units since all the sides are equal there for its perimeter is 4 ×5 = 20 units

AREA=length of one diagonal × length of other diagonal × 1/2 therefore, by distance formula √(8-0)² + (4-0)²=√64 +16 =√80units =length of one diagonal √(5-3)² + (0-4)²= √4 + 16 =√20 units = lenght of the second diagonal area = √80 × √20 × 1/2 = 4√5 × 2√5 ×1/2 = 20 unit² pleazzzzzzzzzzzzzz mark it best