If in two triangles, corresponding angles are equal, then their corresponding sides are in the same ratio and hence the two triangles are:
All circles are:
All squares are:
All equilateral triangles are:
If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio. This theorem is known as:
In triangle ABC, DE || BC such that AD = 2 cm, DB = 3 cm, and AE = 4 cm. Find EC.
If in two triangles ABC and PQR, AB/QR = BC/PR = CA/PQ, then:
If triangle ABC is similar to triangle DEF such that BC = 3 cm, EF = 4 cm and area of triangle ABC = 54 sq cm, then the area of triangle DEF is:
A vertical pole of length 6 m casts a shadow 4 m long on the ground and at the same time a tower casts a shadow 28 m long. Find the height of the tower.
Sides of triangles are given below. Which of them is a right-angled triangle?
In an equilateral triangle of side 2a, find the length of one of its altitudes.
ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Ratio of the areas of triangles ABC and BDE is:
D and E are points on the sides AB and AC of a triangle ABC such that DE || BC. If AD = x, DB = x - 2, AE = x + 2, and EC = x - 1, find the value of x.
If triangle ABC ~ triangle PQR, with angle A = 50 degrees and angle C = 70 degrees, then angle Q is:
The diagonals of a rhombus of side 10 cm are in the ratio 4:3. Find the length of the diagonals.
In a right-angled triangle ABC, right-angled at B, if tan A = 1, then the value of 2 sin A cos A is:
ABC is an isosceles triangle right-angled at C. Then which of the following relations is true?
If the areas of two similar triangles are equal, then the triangles are:
In triangle PQR, ST is a line such that PS/SQ = PT/TR and angle PST = angle PRQ. Then triangle PQR is:
The lengths of the diagonals of a rectangle are 16 cm and 12 cm. Find the length of its sides.
If in two triangles, $ABC$ and $PQR$, $\frac{AB}{QR} = \frac{BC}{PR} = \frac{CA}{PQ}$, then:
If in two triangles ABC and PQR, $\frac{AB}{QR} = \frac{BC}{PR} = \frac{CA}{PQ}$, then which of the following is correct?
In a triangle, if the square of the longest side is equal to the sum of the squares of the other two sides, then what is the type of the triangle?