Chapter 6 – Triangles
O is any point inside a rectangle ABCD. prove that OB^2 + OD^2 = OA^2 + OC^2.
05
Oct
O is any point inside a rectangle ABCD. prove that OB^2 + OD^2 = OA^2 + OC^2. O is any point inside a rectangle ABCD. prove that OB^2 + OD^2 = OA^2 + OC^2. October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 ,
BL and CM are medians on sides AC and AB of triangle ABC, right angled at A. prove that 4 (BL^2 + CM^2) = 5 BC^2.
05
Oct
BL and CM are medians on sides AC and AB of triangle ABC, right angled at A. prove that 4 (BL^2 + CM^2) = 5 BC^2. BL and CM are medians on sides AC and AB of triangle ABC right angled at A. prove that 4 (BL^2 + CM^2) = 5 BC^2. October 5, 2020 [...]
In figure 6.50, if AD ⊥ BC, prove that AB^2 + CD^2 = BD^2 + AC^2.
05
Oct
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.
05
Oct
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.
05
Oct
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 ,
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.
05
Oct
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
05
Oct
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.
05
Oct
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 [...]
In Fig. 6.31, OA . OB = OC . OD. Show that ∠A =∠C and ∠B =∠D.
05
Oct
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 ,
Observe Fig. 6.30 and then find ∠ P.
05
Oct
Observe Fig. 6.30 and then find ∠ P. Observe Fig. 6.30 and then find ∠ P. October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 ,