All Questions ⁺⁰237993 Questions

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help CPhill

In the diagram, a semicircle is centered at $O,$ and $\overline{AB}$ is tangent to the semicircle at $B.$ Find $\angle BCD,$ in degrees.

BlackoutMiIkshake Apr 6, 2026

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help me now

Triangular pyramid BCDG is cut from cube ABCDEFGH. The triangular pyramid is then placed on a surface with triangle BCD as the base. Given that the side length of the cube is $12,$ find the height of the pyramid.

HumanBemg Apr 6, 2026

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help me CPhill

In unit square ABCD, E and F are the midpoints of \overline{AD} and \overline{AB}, respectively. The square is then folded along the edges of triangle CEF, so that triangles AEF, CDE, BCF, cover triangle CEF. read more ..

HumanBemg Apr 6, 2026

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Help CPhill

A spherical orange is cut into 8 congruent slices. If the volume of the orange was 8, then what is the volume of each slice?

HumanBemg Apr 6, 2026

Apr 5, 2026

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+21

Area

What is the area of this figure?

Jyrgerhry Apr 5, 2026

Apr 4, 2026

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Hey CPhill please help me

what is the area of this figure

BlackoutMilkshake Apr 4, 2026

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+12

Algebra

Let $a_1,$ $a_2,$ $a_3,$ $\dots,$ $a_{10},$ $a_{11},$ $a_{12}$ be an arithmetic sequence. If $a_1 + a_3 + a_5 = 22$ and $a_2 + a_4 = 17$, then find $a_1$.

BatchOfQuestions Apr 4, 2026

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+12

Geometry

Points $A$ and $B$ are on side $\overline{YZ}$ of rectangle $WXYZ$ such that $\overline{WA}$ and $\overline{WB}$ trisect $\angle ZWX$. If $WX = 2$ and $XY = 3$, then what is the area of rectangle $WXYZ$?

NotThatSmart ●

BatchOfQuestions Apr 4, 2026

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+2028

hello

just poppin and sayin hi
i see u online CPhill :)

NotThatSmart Apr 4, 2026

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Mar 25, 2026

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+1757

Geometry

ABCDEFGH is a regular octagon. Find the ratio of the area of the red triangle to the area of the blue square.

parmen Mar 25, 2026

Mar 24, 2026

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+1661

Geometry

In triangle ABC, \sin A = \frac{4}{5} and \tan C = 1. Find \cos B.

kittykat Mar 24, 2026

Mar 23, 2026

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+1661

Geometry

Triangle PQR is equilateral. Find AQ.
PQR has side length 4, and A is on side PR so that AP = 1.

kittykat Mar 23, 2026

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