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aksik [14]
3 years ago
9

HELP PLZZZZZZZZ!!!!!!!!!

Mathematics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

<h2>          434</h2>

Step-by-step explanation:

|GI| = 2•16 = 32

|JI| = 28

|GJ|² + |JI|² = |GI|²              {Pitagoras}      

|GJ|² + 28² = 32²

|GJ|² + 784 = 1024

|GJ|² = 240

|GJ| = √240 = √[16•15] = 4√15

A = |GJ•|JI| = 28•4√15 = 112√15 = 433.7741... ≈ 434

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