Answer:
https://w w w .y o ut u b e. c o m / wa tc h ?v =z 5 0C 1b 2s O5 M
<h3>9)</h3><h3>5 planes</h3>
<h3>10)</h3><h3>2 planes</h3>
<h3>11)</h3><h3>BCED</h3>
<h3>12)</h3><h3>Yes , they belong to plane (w)</h3>
Answer:50 degress 2/2
Step-by-step explanation:
2/2
Answer: 178.1
(12.3x7)+(11.5x8)
86.1+92=178.1