Introduction to Trigonometry
Introduction to Trigonometry

Introduction to Trigonometry

Introduction to Trigonometry Que. 1. In triangle ABC, right-angled at B, AB = 24 cm and BC = 7 cm. Find the value of the following: (i) sin A, cos A By Pythagoras theorem in triangle ABC,  K2  =  L2  +  A2 (AC)2 =  (BC)2  +  (AB)2 AC2  =  (7)2  +  (24)2 AC2  =  49 …

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Introduction to Trigonometry in Hindi
Introduction to Trigonometry in Hindi

Introduction to Trigonometry in Hindi

Introduction to Trigonometry in Hindi पाइथागोरस प्रमेय - (बोधायन प्रमेय) (कर्ण)2  =  (आधार)2  +  (लम्ब)2 Que. 1. त्रिभुज ABC में, जिसका कोण B समकोण है, AB = 24 cm और BC = 7 cm है। निम्नलिखित का मान ज्ञात कीजिए : (i) sin A, cos A  त्रिभुज  ABC में पाइथागोरस प्रमेय से,  K2  =  L2 …

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Coordinate geometry Solution
Coordinate geometry Solution

Coordinate geometry Solution

Coordinate geometry Solution Section Formula – internal division – Que. 1. Find the coordinates of the point which divides the line segment joining the points (-1, 7) and (4, 3) in the ratio 2 : 3. (-1,7)                                                     (y – 3) (x1,y1)                                          (x2,y2) m1 : m2 = 2 : 3 Que. 2. Find the coordinates of…

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Coordinate geometry Solution in Hindi
Coordinate geometry Solution in Hindi

Coordinate geometry Solution in Hindi

Coordinate geometry Solution in Hindi विभाजन सूत्र – अन्तः विभाजन – Que. 1.  उस बिंदु के निर्देशांक ज्ञात कीजिए, जो बिंदुओं (-1, 7) और (4, 3) को मिलाने वाले रेखाखंड को 2 : 3 के अनुपात में विभाजित करता है। (-1,7)                                                     (y – 3) (x1,y1)                                          (x2,y2) m1 : m2 = 2 : 3 Que. 2.…

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Coordinate geometry
Coordinate geometry

Coordinate geometry

Coordinate geometry Que. 1. Find the distances between the following pairs of points. 1. (2,3),          (4,1) A (2,3)  (X1, Y1)                 B (4,1)  (x2,y2) 2.  (-5,7)    ,        (-1,3) P (-5,7)  (X1, Y1)                Q (-1,3) (x2,y2) 3.   (a, b) ,               (-a, -b) P (a, b)  (X1, Y1)                Q (-a, -b) (x2,y2) Que. 2. Find the distance between…

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Coordinate geometry in Hindi
Coordinate geometry in Hindi

Coordinate geometry in Hindi

Coordinate geometry in Hindi Que. 1. बिंदुओं  के निम्नलिखित युग्मो के बीच की दूरियाँ ज्ञात कीजिये 1. (2,3),          (4,1) A (2,3)  (X1, Y1)                 B (4,1)  (x2,y2) 2.  (-5,7)    ,        (-1,3) P (-5,7)  (X1, Y1)                Q (-1,3) (x2,y2) 3. (a, b) ,               (-a, -b) P (a, b)  (X1, Y1)                Q (-a, -b) (x2,y2) Que. 2. बिंदुओं…

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Triangle Mathematics Solutions.
Triangle Mathematics Solutions

Triangle Mathematics Solutions.

Triangle Mathematics Solutions. Que.1. State which pairs of triangles in the figure are similar. Write the similarity criterion used to answer the question and also express the similar triangles in symbolic form. 1. Que. 3. Trapezium ABCD, with AB || DC, has diagonals AC and BD intersecting at . Using the similarity criterion for two…

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Triangle Mathematics Solutions in Hindi.
Triangle Mathematics Solutions in Hindi

Triangle Mathematics Solutions in Hindi.

Triangle Mathematics Solutions in Hindi. Que.1. बताइए कि आकृति में दिए त्रिभुजों के युग्मों में से कौन-कौन से युग्म समरूप हैं। उस समरूपता कसौटी को लिखिए जिसका प्रयोग आपने उत्तर देने में किया है तथा साथ ही समरूप त्रिभुजों को सांकेतिक रूप में व्यक्त कीजिए । 1. 2. Que. 3. समलंब ABCD, जिसमें AB ||…

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Triangle Solutions
Triangle Solutions

Triangle Solutions

Triangle Solutions Que. 1. In figures (i) and (ii), DE || BC. Find EC in (i) and AD in (ii): (i) (ii) Que. 2. Points E and F lie on the sides PQ and PR, respectively, of a triangle PQR. State whether EF || QR: 1. PE = 3.9 Cm, EQ = 3 Cm, PE…

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Triangle Solutions In Hindi
Triangle Solutions in Hindi

Triangle Solutions In Hindi

Triangle Solutions In Hindi Que. 1. आकृति (i) और (ii) में, DE || BC है। (i) में EC और (ii) में AD ज्ञात कीजिए: (i) दिया है – DE || BC (ii) दिया है – DE || BC Que. 2. किसी त्रिभुज PQR की भुजाओं PQ और PR पर क्रमश: बिंदु E और F स्थित…

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