Answer:
36
Step-by-step explanation:
i multpliy 9x4=36
Answer:
3 x 21
20 x 4 tenths
21 x thirteenth
please mark me as brainlist please
8 units OA 4.4 2 1 OB 44 oc 8.8 20.4-8-8
Answer:
Cos A = (√51)/ 10
Step-by-step explanation:
sin is opposite/hypothenuse
cos is adjacent/hypothenuse
Pythagorus theorem says that c² = a² + b²
10² = 7² + b²
b² = 100 - 49
b = ±√51
It doesn't make sense for a length to be a minus number therefore, we will use +√51.
Cos A = (√51)/ 10
Tell me if I am wrong.
Can I get brainliest
