181k views
5 votes
Can someone help me with this please?

Can someone help me with this please?-example-1

1 Answer

5 votes

Answer:

27.6°

Explanation:

Drop a Perpendicular from C to AD, call the foot X

CXD is a right angle triangle

CX = 6 cm

XD = 23 - 9 - [sqrt(6.5² - 6²)]

XD = 11.5

Tan(Angle CDA) = CX/XD = 6/11.5

Angle CDA = 27.55281158

User IMack
by
6.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.