In the adjoining figure, each angle is shown by a letter. Fill in the boxes with the help of the figure.
Corresponding angles.
(1) ∠p and ____
(2) ∠q and ____
(3) ∠r and ____
(4) ∠ s and _____ Interior alternate angles.
(5) ∠s and _____
(6) ∠w and _____
Concept: Pairs of Lines - Transversal
Observe the angles shown in the figure and write the following pair of angle.
Interior alternate angles
Concept: Pairs of Lines - Transversal
Observe the angles shown in the figure and write the following pair of angle.
Corresponding angles
Concept: Pairs of Lines - Transversal
Observe the angles shown in the figure and write the following pair of angle.
Interior angles
Concept: Pairs of Lines - Transversal
Choose the correct alternative.
In the adjoining figure, if line m || line n and line p is a transversal then find x.
Concept: Pairs of Lines - Transversal
Choose the correct alternative.
In the adjoining figure, if line a || line b and line l is a transversal then find x.
Concept: Pairs of Lines - Transversal
In the adjoining figure line p || line q. Line t and line s are transversals. Find measure of ∠x and ∠y using the measures of angles given in the figure.
Concept: Pairs of Lines - Transversal
Express the following number in index form.
Fifth root of 13
Concept: Concept of Exponents
Express the following number in index form.
Sixth root of 9
Concept: Concept of Exponents
Express the following number in index form.
Square root of 256
Concept: Concept of Exponents
Express the following number in index form.
Cube root of 17
Concept: Concept of Exponents
Express the following number in index form.
Eighth root of 100
Concept: Concept of Exponents
Express the following number in index form.
Seventh root of 30
Concept: Concept of Exponents
In LMN, _____ is an altitude and _____ is a median. (write the names of appropriate segments.)
Concept: Altitudes of a Triangle
Draw an acute angled Δ PQR. Draw all of its altitudes. Name the point of concurrence as ‘O’.
Concept: Altitudes of a Triangle
Draw a right angled Δ XYZ. Draw its medians and show their point of concurrence by G.
Concept: Altitudes of a Triangle
Fill in the blanks.
Point G is the centroid of ABC.
(1) If l(RG) = 2.5 then l(GC) = _____
(2) If l(BG) = 6 then l(BQ) = _____
(3) If l(AP) = 6 then l(AG) = _____ and l(GP) = _____
Concept: Altitudes of a Triangle
If base of a parallelogram is 18 cm and its height is 11 cm, find its area.
Concept: Area of a Parallelogram
If area of a parallelogram is 29.6 sq cm and its base is 8 cm, find its height.
Concept: Area of a Parallelogram
Area of a parallelogram is 83.2 sq cm. If its height is 6.4 cm, find the length of its base.
Concept: Area of a Parallelogram
