Ro B
35°
Ro
A
C с
measure of the arc
360
35
360
7
Ro=
8
A = ar²
A. = 7(9)
Ao = 81cm2
9cm
1.​

Ineed with number 17 i don’t get it at alll

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?