Answer: −10
Step-by-step explanation: 9^2−21/−6
81−21/−6
60/−6
−10
Answer:
69
Step-by-step explanation:
as , 77+x = 146(external angle) , so x = 146 - 77
so x = 69
Answer:
1:350 i think
Step-by-step explanation:
i could be wrong
Answer:
5
Step-by-step explanation:
There are 5 faces on a square pyramid
Answer: 62.8 yd
Step-by-step explanation:
Circumference= diameter*pi
20*3.14= 62.8