Answer:
i think 178 or 156
Step-by-step explanation:
10x6= 60
6x8=48
6x8=48
6x5=35
add all answers= 191
Answer:
3 × 10 = 30 2 ×5 = 10
Step-by-step explanation:
30 + 10 = 40 rolls
it is true because al triangles angles MUST add up to 180
Answer:
undefined
Step-by-step explanation:
Given

Required
Determine 
We know that:

This gives:


Collect like terms


Take square roots


By tan identity


undefined