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Find the value of the pronumeral ‘a’ correct to 1 decimal place.

Find the value of the pronumeral ‘a’ correct to 1 decimal place.
asked 121k views
15 votes
Find the value of the pronumeral ‘a’ correct to 1 decimal place.

Find the value of the pronumeral ‘a’ correct to 1 decimal place.-example-1
asked
User Paul Pauls
by
8.1k points

1 Answer

7 votes

Answer:

Explanation:

a = BC - DC


(60)/(BC) = tan 28°

BC =
(60)/(tan28) ≈ 112.8 m

DC =
(60)/(tan54) ≈ 43.6 m

a ≈ 112.8 - 43.6 = 69.2 m

answered
User Tamyka
by
7.8k points
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