Answer:

Step-by-step explanation:

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Information on trigonometric ratios

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Answer:
14.49272 or 14.5 (when rounded)
Step-by-step explanation:
Answer:
The area is 5 units²
Step-by-step explanation:
∵ The area of the square of side length 3 which contains
the quadrilateral ABCD = 3 × 3 = 9 units²
∵ The area of the 4 triangles on the sides of the quadrilateral ABCD
= 1/2(2)(1) + 1/2(1)(2) + 1/2(2)(1) + 1/2(1)(2) = 4 units²
∴ The area of quadrilateral ABCD = 9 - 4 = 5 units²
Answer:
0.575
Step-by-step explanation: