Find the Measure of the Dihedral Angle Indicated $120 ^ { \circ }$

question 75

Multiple Choice

Find the measure of the dihedral angle indicated.
-The figure shown is a right prism whose bases are regular triangles. Find the measure of the dihedral angle between adjacent lateral faces.

• A)\(120 ^ { \circ }\)
• B) \(60 ^ { \circ }\)
• C) \(90 ^ { \circ }\)
• D) \(45 ^ { \circ }\)

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