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Answer:
a = 7, b =
Step-by-step explanation:
Using the sine ratio in the left right triangle and the exact value
sin45° = , then
sin45° = =
=
( cross- multiply )
a × = 7
( divide both sides by
)
a = 7
--------------------------------------------------------
Using the tangent ratio in the right triangle on the right and the exact value
tan60° = , then
tan60° = =
=
=
( multiply both sides by b )
b × = 7 ( divide both sides by
)
b = ×
=