📐 geometry

1. ጉርብት አንግሎች ማለት ሁለት አንግሎች ናቸው የሚያሳያቸው የጋራ ነጥብ እና የሚያደርጉት የተለያዩ አንግሎች ናቸው። 2. ጉርብት አንግሎች አንድ የጋራ መለያያ የላቸውም ማለት እንደሚታወቀው እውነት ነው።

1. ችግሩን እንደምን እንደሚለው እንመለከት። ዝርግ አሟይ አንግሎች ሁልግዜ 90⁰ ይለካሉ ተብሎ ተጠየቀ። 2. ዝርግ አሟይ አንግሎች ማለት ሁለት መስመሮች እና አንድ ነጥብ በአንድ ላይ የሚገኙ እና እነዚህ መስመሮች በአንድ ላይ የሚያደርጉት አንግል ነው።

1. The problem states that BH = 2. 2. Since BH is given as a length or value, we simply note that BH equals 2.

1. **Problem Statement:** Given a triangle ABC with side BC = 3.4 cm, side AB = 7.2 cm, and altitude AD perpendicular to BC measuring 1.9 cm, find the length of segment DE on BC wh

1. **Problem Statement:** Find the area of a quarter circle with radius $2$ units. 2. **Formula:** The area $A$ of a full circle is given by $$A = \pi r^2$$ where $r$ is the radius

1. The problem asks for the area of a quarter circle with radius 2 units. 2. The formula for the area of a full circle is $$A = \pi r^2$$ where $r$ is the radius.

1. Let's clarify the problem: We are dealing with a frustum of a cone, where $R$ is the radius of the larger base, $r$ is the radius of the smaller base, and the slant height $l$ i

1. **Problem statement:** Find the total surface area and volume of the three composite solids described in Figure 6.53. ---

1. **Problem Statement:** Given a circle with center $O$ and diameter $OS$, and points $P$, $Q$, $R$, $S$, and $T$ as described, with $PR = PS$, prove that $$2TO \cdot QR = QS \cdo

1. Bài 19.1 a) Cho hình chóp S.ABCD, M, N lần lượt là trung điểm của AB và BC. Tìm giao tuyến của hai mặt phẳng (SAC) và (SBD).

1. **Problem Statement:** Given a circle with center $O$ passing through points $A$, $B$, and $C$, and a tangent line $PQ$ touching the circle at $A$. It is given that $\angle PAB

1. **Problem statement:** Given triangle ABC with points P, Q, R, and S such that QS is parallel to BA, QR is parallel to CA, and PQ = 10 cm. We need to find the product $PB \times

1. **Problem statement:** We have a right triangle with an altitude $d$ drawn to the hypotenuse $c$, dividing it into segments $p$ and $q$. The sides are labeled $a$, $b$, and the

1. **State the problem:** We need to find the area of the shaded portion formed by two semicircles with diameters 42 cm and 21 cm. 2. **Formula for the area of a semicircle:** The

1. **Problem Statement:** Find the total area of the shaded portions of two semicircles, each with diameter 42 cm. 2. **Formula for the area of a semicircle:**

1. **Problem Statement:** Given isosceles triangle $PQR$ with $PQ = PR$, points $S$ and $T$ lie on $PQ$ and $PR$ respectively such that $ST \parallel QR$. Perpendiculars from $S$ a

1. 题目描述：图中有一个矩形和两个半径分别为5和2的直角扇形。求两个阴影部分的面积之差。（π取3） 2. 公式和规则：

1. Bài toán: Cho đường tròn $(O)$ có đường kính $AB$, $I$ là trung điểm của $OA$. Kẻ dây $CD$ vuông góc với $AB$ tại $I$. Lấy điểm $M$ bất kỳ thuộc cung nhỏ $BC$. Gọi $H$ là giao đ

1) a) Énoncé : Trouver la mesure principale de $ (\overrightarrow{AB}, \overrightarrow{AC}) \equiv -\frac{15\pi}{4} \ [2\pi]$. Rappel : La mesure principale d'un angle est l'angle

1. The problem asks to find the total number of small unit cubes in the 3D block structure described. 2. Let's analyze the description step-by-step:

1. **Problem:** Find the total area of the L-shaped figure by dividing it into two rectangles. 2. **Formula:** Area of a rectangle = length \times width.