📘 vector geometry
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Vector Parallelogram
1. **Problem statement:** Given a parallelogram ABCD and points M, N, P, Q defined by
$$\overrightarrow{AM} = \frac{3}{2} \overrightarrow{AB}, \quad \overrightarrow{BN} = \frac{3}{
Parallelogram Vectors
1. **Problem statement:**
We have a parallelogram WXYZ with vectors \(\overrightarrow{WX} = \mathbf{u}\) and \(\overrightarrow{WZ} = \mathbf{v}\). M is the midpoint of \(\overright
Ratio Zp Zr
1. **State the problem:** We have a parallelogram OXYZ with vectors \(\overrightarrow{OX} = a\) and \(\overrightarrow{OY} = b\). Points \(P\) and \(R\) divide \(OX\) and \(OY\) in
Angle Area Triangle
1. **State the problem:**
We are given vectors \(\overrightarrow{AB} = -3\mathbf{i} + 6\mathbf{j}\) and \(\overrightarrow{AC} = 10\mathbf{i} - 2\mathbf{j}\) in triangle ABC.
Angle Area
1. **Problem statement:** Given vectors \(\overrightarrow{AB} = -3i + 6j\) and \(\overrightarrow{AC} = 10i - 2j\) in triangle ABC, find:
(a) The size of angle \(\angle BAC\) in deg
Angle Area Triangle
1. **State the problem:** Given vectors \( \vec{AB} = -3\mathbf{i} + 6\mathbf{j} \) and \( \vec{AC} = 10\mathbf{i} - 2\mathbf{j} \), find:
(a) The size of angle \( \angle BAC \) in
Vector Ratios
1. **Stating the problem:**
We have triangle OAB with vectors \(\mathbf{a} = \overrightarrow{OA}\) and \(\mathbf{b} = \overrightarrow{OB}\).
Vector Parallelism
1. Given points and vectors in a coordinate system: $O(0,0)$, $I(1,0)$, $J(0,1)$ with $OI=OJ=1$ cm.
2. Points provided: $A(-3,0)$, $M(3,2)$, and $N(3,-2)$.
Roof Vectors
1. **Problem Statement:**
You are given a roof with rectangular base OABC where OA = 14 m along unit vector i, OC = 8 m along unit vector j, and the top edge DE is 6 m long and 5 m
Vector Hexagon
1. **Problem Statement:** Given vectors $\overrightarrow{AB} = 3p + q$ and $\overrightarrow{BC} = 4p$, and point $O$ inside a hexagon with vertices $A, B, C, D, E, F$, find the vec
Tam Giac Deu Vector
1. **Nêu bài toán:** Cho tam giác đều ABC, các điểm M, N, P sao cho \(\overrightarrow{BM} = k \overrightarrow{BC}\), \(\overrightarrow{CN} = \frac{2}{3} \overrightarrow{CA}\), \(\o
Position Vector X
1. **State the problem:** We have parallelogram OPQT with position vectors \( \overrightarrow{OP} = \mathbf{a} \) and \( \overrightarrow{OT} = \mathbf{b} \). Point K lies on PQ suc
Vector Ratio
1. Stating the problem: We have triangle OMN with vectors $\overrightarrow{OM} = a$ and $\overrightarrow{ON} = b$. Point R lies on MN such that $MR : RN = 3 : 2$. We need to prove
Tetrahedron Volume
1. **Problem Statement:** Find the volume of the tetrahedron determined by vectors $\mathbf{a} = 2\mathbf{i} - 3\mathbf{j} + \mathbf{k}$, $\mathbf{b} = \mathbf{i} + 2\mathbf{j} - \