Answer:
55deg
Step-by-step explanation:
Since ABC is similar to DEF,
angle A = angle D
angle B = angle E
angle C = angle F
therefore, angle E = 55deg
this is a topic on congruence and similarity.
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Answer:
π
Step-by-step explanation:
π(9√6)³
=
π81*6*√6
=(486*
)√6π
=648√6π
Answer:
π/4, 3π/4
Step-by-step explanation:
3tanx = 3
tanx = 1
Basic angle: π/4
x = π/4
x = π + π/4 = 3π/4