📐 geometry
Step-by-step solutions with LaTeX - clean, fast, and student-friendly.
L Shape Perimeter
1. **State the problem:** We have three square tiles, each with side length 30 cm. They are arranged in an L shape: two tiles side by side horizontally, and one tile below the left
Perimeter Shape Z
1. **State the problem:** We have three shapes X, Y, and Z on a 1 cm grid.
- Perimeter of Shape X is 16 cm.
Perimeter Shapes
1. **State the problem:** We are given two L-shaped figures, Shape X and Shape Y, with perimeters 16 cm and 14 cm respectively. We need to find the perimeter of Shape Z, which is t
Angle Bisector
1. **Problem statement:** In triangle ABC, point O lies inside the triangle such that line segment OA bisects angle A. Given that \(\angle ABO = \angle OCA\), prove that \(OB = OC\
Pythagorean Theorem
1. The problem is to state and explain the Pythagorean theorem.
2. The Pythagorean theorem applies to right-angled triangles and states that the square of the length of the hypoten
Triangle Similarity
1. **State the problem:** We need to prove that triangle ABC is similar to triangle PQC.
2. **Identify corresponding angles or sides:** To prove similarity, we can use Angle-Angle
Quadrilateral Lengths
1. **State the problem:** We have a quadrilateral with points A, P, Q, C, and B. Given lengths are AP = 6 cm, PQ = $x$, QC = 12 cm, PC = 18 cm, BC = 20 cm, and AB = $y$. We want to
Length Y Values
1. **Problem statement:** Find the length $y$ in each figure based on the given dimensions and geometric properties.
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Coordinate Transformations
1. Problem: Find the angle of rotation about the origin that maps point A(4, 5) to A'(-4, -5).
2. Explanation: Rotation about the origin by angle $\theta$ transforms point $(x, y)$
3D Shapes
1. Problem: Identify each 3D shape based on the given number of faces, edges, corners, and face types.
2. (a) The shape has 5 faces, 5 corners, and 8 edges. One face is a square, a
Area Trapezium
1. **State the problem:** We need to find the area of trapezium ABDE.
2. **Identify the dimensions:**
Frustum Surface Area
1. **State the problem:** We have a frustum formed by removing a small cone from a large cone. The large cone has slant height $l_1 = 12$ cm and base radius $r_1 = 6$ cm. The small
Golak Ghanphat
1. પ્રશ્ન: વ્યાસ 16.8 cm ધરાવતા ગોળકનું ઘનફળ શોધો.
2. ગોળકનું ઘનફળનું સૂત્ર છે: $$V = \frac{4}{3} \pi r^3$$ જ્યાં $r$ ગોળકનો અર્ધવ્યાસ છે.
Volume Figures
1. Find the volume of Figure 1, a rectangular prism with a cylindrical hole.
2. Find the volume of Figure 2, a stepped figure made of two rectangular prisms.
Volume Figures
1. **Find the volume of Figure 1** which is a rectangular prism with a cylindrical hole.
Step 1: Calculate the volume of the rectangular prism.
Perimeter Area Circles
1. Problem: Find the perimeter and area of each figure where circular portions are semicircles.
(a) Semicircle with diameter 28 cm.
Perimeter Area Semicircles
1. Problem 4(a): Find the perimeter and area of a semicircle with diameter 28 cm.
- Radius $r = \frac{28}{2} = 14$ cm.
Perimeter Area
1. Problem: Find the perimeter and area of each figure where circular portions are semicircles, all dimensions in cm.
(a) Semicircle with diameter 28 cm and a horizontal line below
Cone Volume
1. **State the problem:** Calculate the volume of a cone with radius $r=18$ cm and height $h=6$ cm using the formula for the volume of a cone:
$$V = \frac{1}{3} \pi r^2 h$$
Cylinder Area Volume
1. **State the problem:**
We need to calculate the cross-sectional area and the volume of a cylinder with radius $r=15$ cm and height $h=17$ cm.
Cylinder Area
1. The problem asks for the area of the shaded face of a cylinder, which is the top circular face.
2. The diameter of the circle is given as 26 mm.