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Circle below has center O, and its radius is 7 ft. Given that m

Circle below has center O, and its radius is 7 ft. Given that m

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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These are short questions so plz solve correctly both(7 and 8 both needed to be solve) and take a thumb up
7. Circle below has center O, and its radius is 7 ft. Given that m<AOB = 30°, find the length of the arc AB and the area of the shaded region Give exact answers in terms of , and be sure to include the correct units in your answer. D 8. Two semicircles are placed in a square with a side length of 8 cm, as shown below. Find the area of the shaded region. Use the value 3.14 for , and do not round your answer. Be sure to include the correct unit in your answer. 8 cm
Transcribed Image Text:7. Circle below has center O, and its radius is 7 ft. Given that m<AOB = 30°, find the length of the arc AB and the area of the shaded region Give exact answers in terms of , and be sure to include the correct units in your answer. D 8. Two semicircles are placed in a square with a side length of 8 cm, as shown below. Find the area of the shaded region. Use the value 3.14 for , and do not round your answer. Be sure to include the correct unit in your answer. 8 cm
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