📐 geometry

1. **State the problem:** We need to find the size of angle $k$ in two triangles that share a common side, with given angle $81^\circ$ and pairs of equal sides. 2. **Identify the k

1. The problem is to find the area of a triangle. 2. The formula for the area of a triangle is $$\text{Area} = \frac{1}{2} \times \text{base} \times \text{height}$$.

1. **Stating the problem:** We have a large square divided into four equal smaller squares arranged in a 2x2 grid. The bottom-right smaller square is further divided into three par

1. The problem is to find the value of $x$ given the lengths 6 cm and 16 cm, but the exact relationship or figure is not specified. 2. Since the problem is unclear, let's assume it

1. **Problem statement:** Given points A, B, C, D on a circle with center O, lines AOBE and DCE are straight, and CO = CE. Given \(\angle AOD = 69^\circ\), find \(x = \angle CEO\).

1. The problem is to understand and apply Lamis Theorem. 2. Lamis Theorem is a result in geometry related to triangles and circles, often used to find lengths or prove properties i

1. **Problem Statement:** Given $AB=11$, $\angle ABD=10^\circ$, $\angle ADB=20^\circ$, and $\angle ACD=60^\circ$, find the value of $BC^2 + AD^2 - AC^2$. 2. **Understanding the pro

1. **State the problem:** We have a right-angled triangle ABC with the right angle at B. The hypotenuse AC is 15 cm, and angle BAC is 38°. We need to find the length of side BC. 2.

1. ปัญหาคือหาค่า $x$ และ $y$ เมื่อมุมที่ส่วนโค้งรองรับคือ $(2x)^\circ$ และ $(5y)^\circ$ และมุมที่จุดศูนย์กลางคือ $80^\circ$\n\n2. กฎสำคัญคือ มุมที่จุดศูนย์กลาง (central angle) มีขน

1. ปัญหาคือหาค่า $x$ เมื่อมุมที่ส่วนโค้งรองรับคือ $(2x)^\circ$ และมุมที่จุดศูนย์กลางคือ $80^\circ$ 2. กฎสำคัญคือ มุมที่จุดศูนย์กลางจะมีขนาดเป็นสองเท่าของมุมที่ส่วนโค้งรองรับ ดังนั้

1. **State the problem:** We need to write the equations of three circles A, B, and C based on their centers and sizes from the graph description. 2. **Recall the formula for a cir

1. The problem is to understand the Midpoint Theorem and its converse. 2. The Midpoint Theorem states: If a line segment joins the midpoints of two sides of a triangle, then this s

1. **Problem:** The area of a trapezium is 34 cm², one parallel side is 10 cm, and the height is 4 cm. Find the length of the other parallel side. 2. **Formula:** The area $A$ of a

1. The user requested graphs for the previous question on bearings. 2. Since no specific function or equation was provided for graphing, and bearings typically involve angles and d

1. مسئله: نسبت شعاع دایره بزرگ‌تر به شعاع دایره کوچک‌تر را پیدا کنیم، وقتی دایره‌های بزرگ‌تر بر هم مماس‌اند و دایره‌های کوچک‌تر بر دایره‌های بزرگ‌تر مماس‌اند و مرکز دایره‌ها روی رأ

1. **Problem statement:** Given a circle with points N, Q, O on the circumference and points P, R outside the circle, we know that $m\angle Q\hat{N}O = 238^\circ$. We need to find

1. **State the problem:** Given $m\angle N\hat{O} = 238^\circ$, find $m\angle P\hat{O}Q$ and $m\angle P\hat{Q}R$ based on the circle and points described. 2. **Recall circle angle

1. **State the problem:** Daniel needs to paint the walls and ceiling of a cuboidal hall with dimensions length = 15 m, breadth = 10 m, and height = 7 m. Each can of paint covers 1

1. **State the problem:** Find the area of a cuboid. 2. **Formula:** The total surface area $A$ of a cuboid with length $l$, width $w$, and height $h$ is given by:

1. **Problem statement:** Given that $\angle ADC = \frac{1}{2} \angle AOC$ and $\angle ABC = 120^\circ$, find the value of $\angle AOC$. 2. **Formula and rules:** In circle geometr

1. **Problem statement:** Given that $\angle ADC = \frac{1}{2} \angle AOC$ and $\angle ABC = 120^\circ$, find the value of $\angle AOC$. 2. **Understanding the problem:** The probl