Classes

Class 9 Math Congruent Triangles


Change the way you learn with Maqsad's classes. Local examples, engaging animations, and instant video solutions keep you on your toes and make learning fun like never before!

Class 9Class 10First YearSecond Year
3.InthegivenfigurewehaveACEBDEsuchthat:mAC=mBD=3 cmA=(3x+1)mE=(3y2)andmB=(x+35).Findthevaluesofxandy.3. In the given figure we have \triangle A C E \cong \triangle B D E such that: m \overline{A C}=m \overline{B D}=3 \mathrm{~cm} \angle \mathrm{A}=(3 x+1)^{\circ} m \angle \mathrm{E}= (3 y-2)^{\circ} and m \angle \mathrm{B}=(x+35)^{\circ} . Find the values of x and y .

4. Find the value of unknowns for the given congruent triangles.
4. Find the value of unknowns for the given congruent triangles.

4.Findthevalueofunknownsforthegivencongruenttriangles.4. Find the value of unknowns for the given congruent triangles.

2. From a point on the line bisector of an angle perpendiculars are drawn to the arms of the angle. Prove that these perpendiculars are equal in measure.
2. From a point on the line bisector of an angle perpendiculars are drawn to the arms of the angle. Prove that these perpendiculars are equal in measure.

2.Fromapointonthelinebisectorofanangleperpendicularsaredrawntothearmsoftheangle.Provethattheseperpendicularsareequalinmeasure.2. From a point on the line bisector of an angle perpendiculars are drawn to the arms of the angle. Prove that these perpendiculars are equal in measure.

1. \mathrm{ABC} is an isosceles triangle. \mathrm{D} is the mid-point of base \overline{\mathrm{BC}} . Prove that \overline{\mathrm{AD}} bisects \angle \mathrm{A} and \overrightarrow{\mathrm{AD}} \perp \overrightarrow{\mathrm{BC}} .
1.  \mathrm{ABC}  is an isosceles triangle.  \mathrm{D}  is the mid-point of base  \overline{\mathrm{BC}} . Prove that  \overline{\mathrm{AD}}  bisects  \angle \mathrm{A}  and  \overrightarrow{\mathrm{AD}} \perp \overrightarrow{\mathrm{BC}} .

1.ABCisanisoscelestriangle.DisthemidpointofbaseBC.ProvethatADbisectsAandADBC.1. \mathrm{ABC} is an isosceles triangle. \mathrm{D} is the mid-point of base \overline{\mathrm{BC}} . Prove that \overline{\mathrm{AD}} bisects \angle \mathrm{A} and \overrightarrow{\mathrm{AD}} \perp \overrightarrow{\mathrm{BC}} .

2. Prove that a point which is equidistant from the end points of a line segment is on the right bisector of the line segment.
2. Prove that a point which is equidistant from the end points of a line segment is on the right bisector of the line segment.

2.Provethatapointwhichisequidistantfromtheendpointsofalinesegmentisontherightbisectorofthelinesegment.2. Prove that a point which is equidistant from the end points of a line segment is on the right bisector of the line segment.

3. Fill in the blanks to make the sentences true sentences:(vi) The sum of the measures of acute angle of a right triangle is
3. Fill in the blanks to make the sentences true sentences:(vi) The sum of the measures of acute angle of a right triangle is

3.Fillintheblankstomakethesentencestruesentences:(vi)Thesumofthemeasuresofacuteangleofarighttriangleis3. Fill in the blanks to make the sentences true sentences:(vi) The sum of the measures of acute angle of a right triangle is

(iv) How many acute angles are there in an acute angled triangle?(a) 1(b) 2(c) 3(d) not more than 2 .
(iv) How many acute angles are there in an acute angled triangle?(a) 1(b) 2(c) 3(d) not more than 2 .

(iv)Howmanyacuteanglesarethereinanacuteangledtriangle?(a)1(b)2(c)3(d)notmorethan2.(iv) How many acute angles are there in an acute angled triangle?(a) 1(b) 2(c) 3(d) not more than 2 .

banner6000+ MCQs with instant video solutions