Greg is placing bright tape on the floor to keep people from walking on damaged tiles. He places one strip of tape measuring 28 cm and then places two more which meet the first at angles of 48° and 65° as shown in the diagram below. If the other two pieces of tape meet at a 67° angle, how much tape will Greg need in total? 48 65 28 cm 92.27 cm 22.61 cm 78.18 cm 27.57 cm

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.