Find the Angles a and ACB, and Length CD in the Roof

question 195

Short Answer

Find the angles A and ACB, and length CD in the roof shown in the illustration below, where AC = BC.
Do not use rounded answers in your calculations. Round angles to the nearest tenth, and round side lengths to three significant digits. ∠A =  __________°, ∠ACB = __________ CD = __________ ft

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Definitions:

Spongy Bone

A type of bone tissue found at the ends of bones and in the interiors of vertebral bones, characterized by a porous, honeycomb structure.

Cranium

The part of the skull that encases the brain, protecting it and supporting facial structures.

Epiphyseal Plate

A growth plate found in children and adolescents, located in the metaphysis at the ends of long bones, where bone growth occurs.

Hypertrophy

The enlargement of an organ or tissue from the increase in size of its cells, often in response to physical stress or training.