3 years ago

Please help on this!!! Thanks!!

Mathematics

1 answer:

gtnhenbr [62]3 years ago

7 0

Answer:

7y=4y +9(corresponding sides of congruent triangle)

or,7y-4y=9

or, 3y=9

or,y=9/3

so,y=3

now

ST=7y=7×3=21

again

TU=4y+9=4×3+9=21

hope this will help you more

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