In the regular tetrahedron above, all the edges have length 6. E and F are the midpoints of BC and AD respectively. Find the length of EF.

Q: Given the vertices A(-5,-4,8), B(2,3,1), C (4,1, –2), D(6,3,7). of the pyramid. Find the length of…

A: we have been given the vertices A(-5,-4,8), B(2,3,1), C(4,1,-2) and D(6,3,7) of the pyramid. we have…

Q: . AABC is equilateral with vertices A(r, 0) and B(-r, 0). Which of the following could be the…

A: Given: ∆ABC is an equilateral triangle with vertices Ar, 0 and B-r, 0. a) Let the given point r3,…

Q: Three vertices of parallelogram ABCD are A(-5;0), B(0;1) and D(-1;3). Evaluate the length of…

A: Given 3 vertices of the parallelogram are  A-5,0 ; B0,1 and D-1,3  Let the fourth vertex be Cx,y…

Q: Show that for a hexagonal geometry, the co-channel reuse ratio, q, is given by the equation レニBN…

A: N = no of cells in the cluster I..e cluster size

Q: Find the area of the triangle with vertices P(1,5, -3), Q(0,0,0) and R(4,6, 1). NOTE: Enter the…

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Q: In the following diagram, we have isosceles triangle AABC with base angles /A and /C C. If m/BAC…

A: We have to find angle

Q: The pentagons JKLMN and PQRST are similar. Find the length x of TP.

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Q: Given the triangle J, with vertices J=(0,0), K=(3,1), and L=(-2,6). FIND the coordinates of its…

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Q: 4. Find the hypotenuse of a right triangle given the legs 20 cm and 21 cm. O 22 cm O 5.8 cm O 13 cm…

A: Given the lengths of the legs of the right angled triangle,  20cm and 21cm To find the length of the…

Q: AB²+ AC² = 2(AO² + BO²) e O is the middle point of BC.

A: Part A

Q: In the parallelogram ABCD given below, find ZA, ZB, 2C and <D. D 2x

A:

Q: Find the area of the triangle with vertices P(1,2, –3), Q(0,0,0) and R(3,5, 1). NOTE: Enter the…

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Q: For Parts A, B, and C, use the vertex coordinates (-6, −1), (-2,5), (3,2), and (-2, -4). Show all…

A: Given: Vertices: To Find: Part A: To prove that the quadrilateral formed by the above vertives is…