Question

pls help me with this question​

Answer 1

Answer:

it will be 10+ root 3*12

Step-by-step explanation:

tan 45= pb/10

pb =10

tan 30=12/ap

1/root 3= 12/ ap

ap= 12* root 3

ab = ap + bp

therefore ab = 10+12 root 3

Answer 2

Ans A

explanation:

given OA=12

angle p=30°

angle r=45°

to find:

length of ab

proof:

take triangle oap

tan=OPP/adj

tan30°=12/ap

1/√3=12/ap

ap=12√3(1)

and next take triangle rpb

tan45°=10/pb

1=10/pb

pb=10. (2)

and add 1and2

10+12√3