Question

rectangle ABCD with diagonal AC, labeled as measuring 5 inches, angle BAC measuring 30 degrees, angle BCA measuring 60 degrees, angle DCA measuring 30 degrees, and angle DAC measuring 60 degrees. Rounded to the nearest tenth, what is the perimeter of rectangle ABCD?

Answer 1

≈ 13,7 inches

Explanation:

Just use trigonometry (sin or cos) from the right triangles ∆ABC and ∆ADC

Answer 2

5 + 10
`√(3)`

= 22.3205080757

Explanation: