 # High school geometry questions and answers

Recent questions in High school geometry balff1t 2021-11-14 Answered

### Find the equation of the ellipse $$\displaystyle{x}^{{{2}}}+{9}{y}^{{{2}}}-{4}{x}-{72}{y}+{139}={0}$$ and locate the coordinates of the foci. siroticuvj 2021-11-14 Answered

### Find the equation of the straight lines that pass through the following sets of points: a) $$\displaystyle{\left({2};\ {4}\right)};\ {\left({4};\ {7}\right)}$$ b) $$\displaystyle{\left({3};\ -{5}\right)};\ {\left(-{2};\ {2}\right)}$$ c) $$\displaystyle{\left({1};\ {3}\right)};\ {\left(-{3};\ {1}\right)}$$ Alyce Wilkinson 2021-11-05 Answered

### Show that if A and B are similar, then det A=det B. Nann 2021-11-03 Answered

### Given: $$\displaystyle\triangle{M}{\ln},\overline{{{M}{L}}}={13},\overline{{{M}{N}}}={6},\overline{{{N}{L}}}={10},\triangle{R}{Q}{S},\overline{{{R}{Q}}}={39},\overline{{{R}{S}}}={18},\overline{{{S}{Q}}}={30}$$ Find the scale factor from $$\displaystyle\triangle{M}{\ln{}}$$ to $$\displaystyle\triangle{R}{Q}{S}$$. Jaya Legge 2021-11-02 Answered

### Find the volume of the solid in the first octant bounded by the coordinate planes, the plane x = 3, and the parabolic cylinder $$\displaystyle{z}={4}-{y}^{{{2}}}$$. alesterp 2021-11-02 Answered

2021-10-29

### a.Triangles ABCABC and BCDBCD are congruent by the Side-Side-Side Triangle Congruence Theorem. b.Triangles ABCABC and DCBDCB are congruent by the Side-Angle-Side Triangle Congruence Theorem. c.Triangles ABCABC and DCBDCB are congruent by the Side-Side-Side Triangle Congruence Theorem. d.There is not enough information to determine if the triangles are congruent e.Triangles ABCABC and DCBDCB are congruent by the Angle-Angle Triangle Congruence Theorem. f.Triangles ABCABC and BCDBCD are congruent by the Angle-Side-Angle Triangle Congruence Theorem. Aneeka Hunt 2021-10-28 Answered

### Find the volume of the solid that lies inside both of the spheres $$\displaystyle{x}^{{2}}+{y}^{{2}}+{z}^{{2}}+{4}{x}-{2}{y}+{4}{z}+{5}={0}$$ and $$\displaystyle{x}^{{2}}+{y}^{{2}}+{z}^{{2}}={4}$$ Jaden Easton 2021-10-25 Answered

### A steel cylinder has a length of 2.16 in, a radius of 0.22 in , and a mass of 41 g. What is the density of the steel in $$\displaystyle\frac{{g}}{{c}}{m}^{{3}}?$$ Jerold 2021-10-22 Answered

### Given 2 rectangles. Model the area of each using a quadratic function, then evaluate each, considering x=8. (1st) l=2x+4; h=x+3 (2nd) l=3x-9; h=x+2 Joni Kenny 2021-10-17 Answered

### Given a rectangular card that is 5 inches long and 3 inches wide, what does it mean for ]another rectangular card to have the same shape? floymdiT 2021-10-10 Answered

### Find the equation of the straight lines that pass throught the following sets of points: a) (2;4);(4;7) b) (3;-5);(-2;2) c) (1;3);(-3;1) Carol Gates 2021-09-25 Answered

### Find the overlapping area of two equations also give its geometrical representation: $$\displaystyle{u}^{{{2}}}+{v}^{{{2}}}={n}{\quad\text{and}\quad}{u}^{{{2}}}+{\left({v}-{n}\right)}^{{{2}}}={1}$$ put $$\displaystyle{n}={516}$$ Anonym 2021-09-25 Answered

### Let D be the region between the circles of radius 6 and radius 8 centered at the origin that lies in the third quadrant. Express D in polar coordinates. Select the correct answer below: 1) $$\displaystyle{D}={\left\lbrace{\left({r},\theta\right)}{\mid}{6}\leq{r}\leq{8},{0}\leq\theta\leq{\frac{{\pi}}{{{2}}}}\right\rbrace}$$ 2) $$\displaystyle{D}={\left\lbrace\begin{array}{cc} {r}&\theta\end{array}\right)}{\mid}{6}\leq{r}\leq{8},\pi\leq\theta\leq{\frac{{{3}\pi}}{{{2}}}}\rbrace$$ 3) $$\displaystyle{D}={\left\lbrace{\left({r},\theta\right)}{\mid}{0}\leq{r}\leq{8},\pi\leq\theta\leq{\frac{{{3}\pi}}{{{2}}}}\right\rbrace}$$ 4) $$\displaystyle{D}={\left\lbrace{\left({r},\theta\right)}{\mid}{6}\leq{r}\leq{8},\pi\leq\theta\leq{2}\pi\right\rbrace}$$ Phoebe 2021-09-24 Answered

### The graph of a polar equation is given. Select the polar equation for graph from the following options. $$\displaystyle{r}={2}{\sin{\theta}},{r}={2}{\cos{\theta}},{r}={1}+{\sin{\theta}}$$ $$\displaystyle{r}={1}-{\sin{\theta}},{r}={3}{\sin{{2}}}\theta,{r}={3}{\sin{{3}}}\theta$$ FizeauV 2021-09-23 Answered

### Find the area of the shaded region if C and D are center sodni3 2021-09-21 Answered

### Use a double integral to find the area of the region. The region inside the circle $$\displaystyle{\left({x}-{1}\right)}^{{2}}+{y}^{{2}}={1}$$ and outside the circle $$\displaystyle{x}^{{2}}+{y}^{{2}}={1}$$ Bergen 2021-09-21 Answered

### What is the radius and center for $$\displaystyle{\left({x}-{2}\right)}^{{{2}}}+{y}^{{{2}}}={16}?$$ A. $$\displaystyle{r}={16}$$; center is (2,0) B. $$\displaystyle{r}={4}$$; center is (-2,0) C. $$\displaystyle{r}={16}$$; center is (-2,0) D. $$\displaystyle{r}={4}$$; center is (2,0) Kyran Hudson 2021-09-20 Answered

### Describe in words the surface whose equation is given. r = 5 usagirl007A 2021-09-18 Answered

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