Find the measure of angle ABD. Triangle ABD is an Isosceles Triangle.
2 answers:
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Square has 4 equal sides so it would be the same for all the corresponding sides.
area of square =
=
=
area of triangle =
=
=
=
total area =
area of square =
=
=
area of triangle =
=
=
=
total area =
Answer:
b
Step-by-step explanation:
Using the trigonometric identity
• sin²x + cos²x = 1 , hence
cosx = ±
cosΦ > 0 for 0 < Φ <
cosΦ = =
=
=
→ b