(A) In $\Delta ABC$,$m \angle B = 90$ and $D$ is the midpoint of the hypotenuse $\overline{AC}$.According to the theorem of the median to the hypotenu

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(A) In $\Delta ABC$,$m \angle B = 90$ and $D$ is the midpoint of the hypotenuse $\overline{AC}$.According to the theorem of the median to the hypotenuse in a right-angled triangle,the length of the median to the hypotenuse is half the length of the hypotenuse.Therefore,$BD = \frac{1}{2} AC$.

Class 10 Mathematics Triangles Similarity of Triangles and Basic Proportionality Theorem

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In $\Delta ABC$,$m \angle B = 90$ and $D$ is the midpoint of $\overline{AC}$. Then,$BD = \dots$

A
$\frac{1}{2} AC$
B
$AB$
C
$BC$
D
$AD \cdot DC$

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Similarity of Triangles and Basic Proportionality Theorem

In $\Delta ABC$,$A-M-B$,$A-N-C$ and $\overline{MN} \parallel \overline{BC}$. If $AM : AB = 5 : 7$ and $AN = 4$,find $NC$.

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In $\Delta ABC$,$m \angle B = 90$ and $D$ is the midpoint of $\overline{AC}$. Then,$BD = \dots$

Similar Questions

In $\Delta ABC$,$A-M-B$,$A-N-C$ and $\overline{MN} \parallel \overline{BC}$. If $AM : AB = 5 : 7$ and $AN = 4$,find $NC$.

In $\Delta ABC$,the bisector of $\angle A$ intersects $\overline{BC}$ at $D$. If $AB = 12$,$BD = 9$ and $BC = 21$,find $AC$.

In $\Delta ABC$,$A-M-B$,$A-N-C$ and $\overline{MN} \parallel \overline{BC}$. If $AM : AB = 2 : 3$ and $AC = 15$,then $NC = \ldots$

In a rhombus,the diagonals measure $10$ and $24$. Then,the length of each side of the rhombus is...........

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