# MATH 2412 -System Pre Calculus Practice Quiz-Houston Community College .

Use Heron’s formula to find the area of the triangle specified below. a = 23 yards, b = 17 yards, c=9 yards A square yards (Simplify your answer. Round to the nearest integer as needed.) Use Heron’s formula to find the area of the triangle. Round to the nearest square foot. Side a = 4 feet Side b= 4 feet Side c= 1 feet The area is approximately square feet. Find the area of the triangle specified below. a = 13 meters, b = 13 meters, c=5 meters A= square meters (Round to the nearest integer as needed.) Solve the triangle. b=9 a = 4, b = 9, c=7 a=4 A c=7 B o A= (Do not round until the final answer. Then round to the nearest degree as needed.) O B = (Do not round until the final answer. Then round to the nearest degree as needed.) O C= (Do not round until the final answer. Then round to the nearest degree as needed.) Solve the triangle. a = 1, b = 2, C = 70° CM (Do not round until the final answer. Then round to the nearest tenth as needed.) o A (Do not round until the final answer. Then round to the nearest degree as needed.) o B~ (Do not round until the final answer. Then round to the nearest degree nee ed.) Solve the triangle. a = 1, b = 2, C = 70° CM (Do not round until the final answer. Then round to the nearest tenth as needed.) o A (Do not round until the final answer. Then round to the nearest degree as needed.) o B~ (Do not round until the final answer. Then round to the nearest degree nee ed.) Solve the triangle. b=9 a = 4, b = 9, c=7 a=4 A c=7 B o A= (Do not round until the final answer. Then round to the nearest degree as needed.) O B = (Do not round until the final answer. Then round to the nearest degree as needed.) O C= (Do not round until the final answer. Then round to the nearest degree as needed.) с Solve the triangle. Round the lengths of sides to the nearest tenth and angles to the nearest degree. 989 b= 5 a= 7 A B с CM (Type an integer or decimal rounded to the nearest tenth as needed.) o A (Round to the nearest degree as needed.) B-1° (Round to the nearest degree as needed.) b= 10 a=8 Solve the triangle. Round all angles to the nearest degree. A B c=10 o A (Do not round until the final answer. Then round to the nearest degree as needed.) o B (Do not round until the final answer. Then round to the nearest degree as needed.) o C (Do not round until the final answer. Then round to the nearest degree as needed.) 6.2.1 Question Help Solve the triangle. b=7 a A = 35°, b = 7, c= 12 350 A B c=12 a= (Do not round until the final answer. Then round to the nearest tenth as needed.) o BE (Do not round until the final answer. Then round to the nearest degree as needed.) o C= (Do not round until the final answer. Then round to the nearest degree as needed.) Score: 0 of 1 pt 4 of 8 (3 complete) HW Score: 37.5%, 3 of 8 pts 6.2.7 Question Help Solve the triangle. .C b=9 a = 4, b = 9, c=7 = 4 B c=7 o A = 25.21 (Do not round until the final answer. Then round to the nearest degree as needed.) o B = 106.60 (Do not round until the final answer. The Х X One or more of your responses is incorrect. o C = 48.19 (Do not round until the final answer. The None of your answers are correct. Begin by using the law of cosines to find the angle opposite the longest side. When finding the subsequent angles, use unrounded values for all calculations. OK Score: 0 of 1 pt 6 of 8 (4 complete) HW Score: 50%, 4 of 8 pts 6.2.25 Question Help Use Heron’s formula to find the area of the triangle. Round to the nearest square foot. Side a = 4 feet Side b= 4 feet Side c= 1 feet The area is approximately 1.98 square feet. Х X That’s incorrect. Recall Heron’s formula. The area of a triangle with sides a, b, and c is Area = vs(s-a)(s – b)(s –c) where s is one have of the perimeter: s= ż(a+b+c). b 2 OK Homework: 6.2 Save Score: 0 of 1 pt 7 of 8 (4 complete) HW Score: 50%, 4 of 8 pts 6.2.27 Question Help Find the area of the triangle specified below. a = 13 meters, b= 13 meters, c=5 meters A = 16.875 square meters (Round to the nearest integer as needed.) Х X That’s incorrect. Use Heron’s formula, A= vs(s-a)(s – b)(s –c), where s= 3(a+b+c). 1 = 2 OK + A Homework: 6.2 Save Score: 0 of 1 pt 7 of 8 (6 complete) HW Score: 75%, 6 of 8 pts 6.2.27 Question Help Find the area of the triangle specified below. a = 13 meters, b= 13 meters, c=5 meters A = 17 square meters (Round to the nearest integer as needed.) X X Try again. Х 1 Use Heron’s formula, A = Vs(s-a)(s -b)(s -c), where s= 5(a+b z (a+b+c). 2 OK Homework: 6.2 Save Score: 0 of 1 pt 7 of 8 (7 complete) HW Score: 87.5%, 7 of 8 … 6.2.27 Question Help Find the area of the triangle specified below. a = 13 meters, b = 13 meters, c=5 meters A= 258 square meters (Round to the nearest integer as needed.) Х X That’s incorrect. Correct answer: 32 Your answer: 258 Similar Question Next Question Homework: 6.2 Save Score: 0 of 1 pt 7 of 8 (8 complete) ► HW Score: 87.5%, 7 of 8 … X 6.2.27 Question Help Find the area of the triangle specified below. a = 15 meters, b= 6 meters, c= 19 meters A= square meters (Round to the nearest integer as needed.)