Question

if you can help me please do!!​

Answer 1

Step-by-step explanation:

i did this with Pythagoras Theorem..

hope u r satisfied with the answer..

Answer 2

Answer:3) 21

Step-by-step explanation :  9square+bc=15square

81+bc square=225

bcsquare=225-81

bc square=144

bc=12m

to other window

12square + bc square=15square

144+bc square=225

bcsquare=81m

bc=9m

12+9=21

hope u understand... plz mark brainliest