Opening Exercise triangles. G A 2 4 8 12 In the two DE | BC and IJ. Find the of x in both

Q: Which a. b. c. C. of these is correct? AXA = |A|² A x B + BxA =0 A.B.C=B.C.A

A: as cross product of same vectors is zero, therefore the first statement is…

Q: Ray BD bisects ABC so that meDBC = (x + 6)° and meABD = (2x – 12). What is x? O A. 12 O B. 14 C. 16…

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Q: 11. Determine values of r and is such that a and b are collinear. a= [3,r, 15] and b= [s,6,- 5]

A: To determine the values of  and  such that  and  are collinear. and

Q: Find the distance between u and v. (2, − 1, 3, 1), v = u = (2, 02√2 3 √13 √11 (1, − 1, 1, 3); = u ·…

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Q: I 16-18. AACB and AXYZ are similar trianngles. Find AC and the perimeter of . ΔACΒ. 12 30 8. Y. 22.5…

A: Given triangles are similar.

Q: A (2x + 3) D Wo Image created with GeoGebra V B (x + v) 1. Find the values of v, w, and x. 2. Find…

A: (a) To find the values of .(b) To find the measures of .

Q: ind all values of a, b, and c for which A is symmetric -8 a 2b 2b + 2c + 2c 2a + b + c 5 -1 5 A =…

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Q: Find the area of the triangle determined by the points P, Q, and R. 1- P(1, –1,2), Q(2, 0, –1), R(0,…

A: To find the area of the triangle determined by the points P,Q and R.

Q: 1. Reflections: Reflect Triangle ABC over the line: A(-7,6) B(-2,2) C(-9,2)

A: First calculate the equation of line using point slope method. Then reflect each point accordingly…

Q: AB = I + 7j − 3k and B is the point (9, 5, 3)​, find A. The point A is (___,___,___)

A: Given:  AB = I + 7j − 3k and B is the point (9, 5, 3)​

Q: Determine whether v and w are parallel, orthogonal, or neither. v=21-5), w=41-10j Choose the correct…

A: If you have any questions let me know in comment box thankyou for your question.

Q: Select the true statement. O ABCD = IJKL so = CD O ABCD = IJKL so 4 = 4 O ABCD - IJKL so 4 = ABCD -…

A: Step:-1 Given figure is To rotate a figure 90° about origin, we first find the co-ordinates of…

Q: 2. AXYZ ARYS Angles Y R Sides S.

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Q: An example of 2 non-collinear points. M.

A: We give the example of two non colinear point.

Q: Given 2x? + x- 21 Which two numbers multiply to a c and add to b ? O 7 and-6 O-7 and 6 O 2 and-21 O…

A: Factories the a.c and try to form b as their sum from given options.

Q: (3,4,0), B = a) Calculate the angle A. b) Calculate the area of the triangle. Given A = (3,6,3), and…

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Q: V The coordinates of A,B,C, D are (6,3),(3,5) (4,-2) & C, 32) sespectively and A DOe %3D A AB C of…

A: Using coordinates area formula for ABC A =1/2{ x1(y2-y3)+x2(y3-y1)+x3(y1-y2) Substitute the values…

Q: / Eind The area of triangle ABC given That i. Atty-l B(2,

A: Given that vertices of triangle ABC are : A( 1, -1, 0) B(2, 1, -1 ) C(-1, 1, 2) To find : Area of…

Q: 99 79 R P.

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Q: Find the value of p for which the point (-1, 3), (2, p) and (5, –1) are collinear. 4 3 2. O O

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Q: nta. Sug the Web If ACDG AEDF, find the value of x. E 2r + 7 5x-2 D 48 40 Blank 1:

A: We have to find the value x

Q: M is the midpoint of AB. If A (4, 0) and M (2, 1.5), then find the coordinates of B. A (6, 1.5) (3,…

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Q: Find proj, u and scalu by inspection without using formulas. proj,u= (Simplify your answers.) C...…

A: As we know  is a vector quantity. is a scalar quantity.: vector projection of u on v.: Magnitude of…