D QuizGoogle Chrome A assessment casa uheduAssessmentQuiz Do

D Quiz-Google Chrome A //assessment, casa uhedu/Assessment/Quiz Do not press submit until all questions are colored green and you have double checked your work None of above. Question 2 In the figure below, ZBlis a ri mLBAC 3ort. AC-4 and cD Find ADA Note: The triangle may not be drawn to scale. a) 152 b) 76 Mone of the above. Question 3 7 k Find the area of the sector of a cincle with central angle 90 land radius r O Ask me anything

Solution

Angle BAC = 30 degree

AC = 4

CD = ?

BC = AC*sin30 = 0.5*4 = 2

AB = AC*cos30 = 3.46

BD = BC + CD = 2 + 6 = 8

AD = sqrt[AB^2 + BD^2] = 2 peron