Question Answers

In figure 6.50, if AD ⊥ BC, prove that AB^2 + CD^2 = BD^2 + AC^2. if AD ⊥ BC In figure 6.50 prove that AB^2 + CD^2 = BD^2 + AC^2. October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 ,

A ladder is placed against a wall such that its foot is at a distance of 2.5 m from the wall and its top reaches a window 6 m above the ground. Find the length of the ladder. A ladder is placed against a wall such that its foot is at a distance of 2.5 [...]

In fig 6.48, angle ACB = 90° and CD is perpendicular to AB. Prove that BC^2/AC^2 = BD/AD. angle ACB = 90° and CD is perpendicular to AB. Prove that BC^2/AC^2 = BD/AD. In fig 6.48 October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 ,

An artificial satellite is in circular orbit around the earth. One of the rockets of the satellite is momentarily fired, the direction of firing of rocket is mentioned in Column I and corresponding change(s) are given in Column II. Match the entries of Column I with the entries of column II An artificial satellite is [...]

In figure, the line segment XY is parallel to side AC of ΔABC and it divides the triangle into two parts of equal areas. Find the ratio AB/AX. In figure the line segment XY is parallel to side AC of ΔABC and it divides the triangle into two parts of equal areas. Find the ratio [...]

In fig 6.33CM and RN are respectively the medians of triangle ABC and triangle PQR. if ABC ~PQR, prove that :(1) triangle AMC~ triangle PNR (2) ​CM / RN = AB/PQ (3) triangle CMB ~ triangle RNQ In fig 6.33CM and RN are respectively the medians of triangle ABC and triangle PQR. if ABC ~PQR [...]

A girl of height 90 cm is walking away from the base of a lamp – post at a speed of 1.2 m/s. If the lamp is 3.6 m above the ground, find the length of her shadow after 4 seconds. A girl of height 90 cm is walking away from the base of a [...]

Considering the earth to be a homogeneous sphere but keeping in mind its spin, match the following: Considering the earth to be a homogeneous sphere but keeping in mind its spin match the following October 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In Fig. 6.31, OA . OB = OC . OD. Show that ∠A =∠C and ∠B =∠D. In Fig. 6.31 OA . OB = OC . OD. Show that ∠A =∠C and ∠B =∠D. October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 ,

Two spherical planets have the same mass but densities in the ratio 1: 8. For these planets , the the Two spherical planets have the same mass but densities in the ratio 1: 8. For these planets October 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,