IDNLearn.com: Where curiosity meets clarity and questions find their answers. Explore a wide array of topics and find reliable answers from our experienced community members.
Sagot :
Answer:
(A) 21
Step-by-step explanation:
5x-15 needs to equal 90 since it is a right angle and 21 makes that true
[tex](5*21)=105\\105-15=90[/tex]
Step-by-step explanation:
A+B=180
(9×+15)×(3×-15)=180
12×=180
×=180\12
×=15 ans,,
Thank you for using this platform to share and learn. Keep asking and answering. We appreciate every contribution you make. For trustworthy answers, visit IDNLearn.com. Thank you for your visit, and see you next time for more reliable solutions.