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balu736 [363]
3 years ago
14

Plz help me with this geometry question

Mathematics
1 answer:
Semmy [17]3 years ago
3 0

Step-by-step explanation:

it's a square so

AB=BC=CD=DA

BC=15

AC=

{ac}^{2}  =  {15}^{2}  +  {15}^{2}  \\ ac =  \sqrt{450}  = 21.21 = 21.2

ED = AC/2= 10.6

m<ABC= 90°

m<CED=90°

m<ADE=45°

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