Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Triangles - Trig: for given triangle, find 3 options equal to "a"
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5
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2K
mcarthyryan
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looking for help on grade 10 trig please - review for exam
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4
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2K
ldfa99
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Finding a missing co-ordinate on a right-angle triangle
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3
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1K
Deleted member 4993
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Vectors or scalars? directions, weights, volumes, tensile forces, etc
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3
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2K
mcarthyryan
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Vector subtraction: Plane A is traveling 30.0 degrees west of north at 455 miles/hour
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1
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2K
HallsofIvy
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cyclic quadrilateral: AB and CD are two parallel chords of a circle with center O...
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2
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2K
ksdhart2
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V
A painter is placing a ladder to reach the third story window, which is 18 feet...
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6
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3K
mmm4444bot
mmm4444bot
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Given cos 25° approx 0.9063, what is sine of complementary angle?
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3
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2K
stapel
stapel
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Find the area of the right triangle △DEF with the points D (0, 0), E (1, 1), and F...
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3
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2K
stapel
stapel
S
Basic geometry, don't understand
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2
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1K
stapel
stapel
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Need help w/ 2 Qs: What angle will a 5-meter ladder make with a wall if...?
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2
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1K
stapel
stapel
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What is the area of a regular hexagon w/ a distance from its center to a vertex of...
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1
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3K
HallsofIvy
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R
The formula 180(n-2) gives the number of degrees in the angles of a convex polygon...
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6
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4K
Otis
Otis
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In the regular hexagram shown to the right, AB= 4 cm. Find the area.
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1
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3K
Zormuche
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In a 6 by 6 grid, how many pathways can be drawn from S to F...?
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1
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3K
pka
pka
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Given that ABCD is a rectangle with AP= 40cm, BP=24 cm and CP=60 cm.
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0
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4K
randy.lahey
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Pi confusion: how could it be an irrational number when...?
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2
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2K
HallsofIvy
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Trig Question: if f(x)=sec(x) and if tan(x)=1 what is the value of (f*f)(x) ?
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5
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4K
ksdhart2
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Just a couple questions. "△ABC△ABC is similar to △QRS△QRS by the AA Similarity...."
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2
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5K
ksdhart2
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Solve for β to the nearest tenth of a radian for [0,2pi): 2+tanβ = cotβ.
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4
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2K
ksdhart2
K
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