📐 geometry
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Circle Graph
1. The problem is to graph a circle.
2. The standard formula for a circle centered at the origin with radius $r$ is:
Triangle Sides
1. **State the problem:** We have a right triangle with three sides: shorter leg, longer leg, and hypotenuse.
The longer leg is 3 cm more than three times the shorter leg.
Rectangle Areas
1. **Problem statement:** Find the total area of each rectangle given the areas of smaller rectangles inside and the lengths of portions of the sides.
2. **Rectangle a:**
Rectangle Area
1. **State the problem:** Find the area of a rectangle with length 3 feet and width \(\frac{1}{4}\) foot.
2. **Formula:** The area \(A\) of a rectangle is given by \(A = \text{leng
Angle Direction
1. The problem asks to find the matching counterclockwise angle for given clockwise angles 175° and 285°.
2. Important rule: A full circle is 360°. Clockwise and counterclockwise a
Pool Water Volume
1. **Problem Statement:**
Calculate the volume of water in a pool with given dimensions where water is filled to 9 feet from the top.
Reflection Line
1. **Problem Statement:**
Determine the image of point $P(-6,4)$ after reflection over the line $y+x=0$, which can be rewritten as $y=-x$.
Triangle Translation
1. **State the problem:** We need to translate triangle P by the vector $(2, -7)$. This means moving every vertex of the triangle 2 units to the right and 7 units down.
2. **Vertic
House Garage Perimeter
1. **Problem:** Find the perimeter of the house in terms of $c$.
2. **Formula:** The perimeter of a polygon is the sum of the lengths of all its sides.
Triangle Area
1. **State the problem:** We are given a triangle with two sides measuring 6 mm and 16 mm, and the angle between them is $\theta = 14.4^\circ$. We need to find the area of this tri
Cone Surface Area
1. **State the problem:** Calculate the surface area of a cone with radius $r=7$ cm and height $h=12$ cm.
2. **Formula:** The surface area $A$ of a cone is given by
Rotation 90Ccw
1. **Problem Statement:** We need to find the image of square JKLM after a 90° counterclockwise rotation around the origin.
2. **Vertices of the original square JKLM:**
Rotation 180
1. **State the problem:** We need to find the image of trapezoid EFGH after a 180° counterclockwise rotation around the origin.
2. **Recall the rotation formula:** A 180° rotation
Rectangle Rotation
1. **Problem Statement:** We need to find the image of rectangle TUWV after a 180° counterclockwise rotation about the origin.
2. **Vertices of the original rectangle:**
Angle S Measure
1. **Problem Statement:** We are given a triangle SRT with angles at vertices R and T expressed as $(3x + 1)^\circ$ and $(2x + 2)^\circ$ respectively. The sides SR and ST are congr
Grade8 Overview
1. The problem involves understanding four key topics in Grade 8 math: Geometry of Straight Lines, Geometry of 2D Shapes, The Theorem of Pythagoras, and Area and Perimeter of 2D Sh
Minor Arc
1. **Problem Statement:** Identify which of the given arcs is a minor arc on the circle.
2. **Definition:** A minor arc is an arc of a circle that is smaller than a semicircle (les
Central Angle
1. **Problem Statement:** Identify which angle among \(\angle DOB\), \(\angle BAC\), \(\angle EAC\), and \(\angle ABE\) is a central angle in the given circle.
2. **Definition:** A
Inscribed Angle
1. **Problem Statement:** Identify which angle among \(\angle DOB\), \(\angle BAC\), \(\angle EAC\), and \(\angle ABE\) is an inscribed angle in the given circle.
2. **Definition:*
Semicircle Identification
1. The problem asks to identify which arc in the figure represents a semicircle.
2. A semicircle is an arc that represents exactly half of a circle, which means it subtends an angl
Power Point
1. **Problem Statement:** We are given a circle with a chord of length 5, and a point outside the circle connected to the circle by two segments of lengths 4 and 3. We need to find