ZP and ZR are complementary. If
O 81
O 90°
О 99
O 9°
![ZP and ZR are complementary If O 81 O 90 О 99 O 9 class=](https://us-static.z-dn.net/files/d41/b1c40a864beae1b8fd8ccd9f6a3453f9.png)
Answer:
Step-by-step explanation:
complementary angles add up to 90. So, 90-81 = 9. Answer is 9