Instructions: -Complete solutions are required for full marks. -Round ratios to four decimal places, angles to the nearest degree and side lengths to one decimal place. Knowledge and Understanding 1. Calculate the length of AB. 52 a) C 42° [4] 36 B calulate the length of b) C 71° AB [4] 52 B 38° A A $\cos 42^\circ = \frac{AB}{AC}$ $0.743 = \frac{AB}{15}$ $0.743 \times 15 = AB$ $11.1 = AB
Added by Jason F.
Close
Step 1
743 * 15. A @ 0.743 * 15 = 0.743 * 15 = 11.145 Show more…
Show all steps
Your feedback will help us improve your experience
Nathan Smith and 98 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
In Exercises 5-14, solve the right triangle shown in the figure for all unknown sides and angles. Round your answers to two decimal places. $a = 3$, $b = 4$
Trigonometry
Applications and Models
Solve the right triangle shown in the figure for all unknown sides and angles. Round your answers to two decimal places. B = 71.2°, a = 4.5 A = ° C = ° b = c =
James K.
In Exercises 5-14, solve the right triangle shown in the figure for all unknown sides and angles. Round your answers to two decimal places. $b = 16$, $c = 52$
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
600,000+
Students learning Algebra with Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD