Answer:
we can use sas theorum
Step-by-step explanation:
since its given 2 sides are congruent its an isoceles trinangle
whhich means angles opposite to equal sides are equal .
82.125
≈82.12 ( am not sure if it need to be estimated )
1 hr -> 10.95
30m-> 5.475
10.95x7=76.65
76.65+5.475=82.125
Answer
Hope this helps you.
Let me know if you have any other questions :-):-)