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A, B and C form the vertices of a triangle. BC = 6.9cm and ∠ CBA = 137°. Given that the area of the triangle is 12.6cm2, calculate the perimeter of the triangle rounded to 1 DP<…

A, B and C form the vertices of a triangle. BC = 6.9cm and ∠ CBA = 137°. Given that the area of the triangle is 12.6cm2, calculate the perimeter of the triangle rounded to 1 DP<…
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A, B and C form the vertices of a triangle.

BC = 6.9cm and
∠
CBA = 137°.
Given that the area of the triangle is 12.6cm2, calculate the perimeter of the triangle rounded to 1 DP

User Sthede
by
7.6k points

1 Answer

3 votes
Answer 23.7cm

Explanation is in the photo:
A, B and C form the vertices of a triangle. BC = 6.9cm and ∠ CBA = 137°. Given that-example-1
User Fabmilo
by
8.0k points
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