Question

Plz ans my question​

Answer 1

Answer:

4) 12

ABC is right angled at B

AB^2 + BC^2 = AC^2

9^2 + 12^2 = 225 = AC^2

AC = 15 = m + 3

m = 15-3 = 12

So, m = 12

Answer 2

Answer:

m=12

Step-by-step explanation:

b=90°

ab=9

bc=12

पाइथागोरस प्रमेय से ,

AC=√9^2+12^2

Ac= √225

Ac=15

AC=m+3

15=m+3

m=15-3

m=12434