Recent questions tagged triangle

0 votes
1 answer
1
A boy $1.4$ $m$ tall casts a shadow $1.2$ $m$ long at the time when a building casts a shadow $5.4$ $m$ long. The height of the building is:$4.63 m$$3.21 m$$6.3 m$$5.6 m$...
1 votes
1 answer
2
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2 answers
3
If $10$, $12$ and '$x$' are sides of an acute angled triangle, how many integer values of '$x$' are possible?$7$$12$$9$$13$
0 votes
1 answer
4
What is the measure of the radius of the circle that circumscribes a triangle whose sides measure $9, 40$ and $41$?$6$$4$$24.5$$20.5$
4 votes
1 answer
7
Choose the correct option:AB is perpendicular to BC and BD is perpendicular to AC. CE bisects the angle C; $\angle A=30^{\circ}$ Then, what is $\angle CED$?$30^{\circ}$$6...
1 votes
1 answer
8
Which one of the following cannot be the ratio of angles in a right-angled triangle?$1:2:3$ $1:1:2$ $1 :3:6$ None of these
1 votes
1 answer
9
The sides of a triangle are $5, 12$ and $13$ units respectively. A rectangle is constructed which is equal in area to the triangle and has a width of 10 units. Then the p...
1 votes
1 answer
10
ABCD is a square of area 4, which is divided into four non-overlapping triangles as shown in the figure. The sum of the perimeters of the triangles is:$8(1+\sqrt{2})$$8(2...
2 votes
2 answers
11
In the given figure, $∠BAC = 120º$ and $AD$ is the bisector of $∠BAC$. If $\frac{(AD)(AB)}{BD} = \frac{AE}{EC}( AE + EC )$ and $∠EDC = ∠ECD$, what is the ratio ...
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