Name the types of following triangles:(c) ∆PQRsuch that PQ = QP = PR = 5cm.

Name the types of following triangles:(d) ∆DEF with m∠D =90⁰

Name the types of following triangles:(b) ∆ABC with AB=8.7 cm, AC =7 cm and BC = 6 cm.

Name the types of following triangles:(e) ∆XYZ with m∠Y =90⁰ and XY=YZ.

Name the types of following triangles:(f) ∆LMN with m∠L = 30⁰, m∠M = 70⁰ and m∠N = 80⁰

Name the types of following triangles:(a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm.

The sides of a right angle triangle PQR are PQ = 7cm , PR =25 cm and angle Q = 90 ^(@) respectively , Then find tan P -tan R

Draw rough sketches for the following: In trianglePQR , PQ and PR are altitudes of the traingles.

Name the types of vegetative propagules in following plants : (a) Potato (b) Ginger c)Bryophyllum

In the figure, a circle is inscribed in a triangle PQR with PQ=10cm, QR = 5 cm , and PR=12 cm. Find the lengths QM, RN and PL.

E and F are point on the sides PQ and PQ and PR respectively of a DeltaPQR .For each of the following cases, state whether ||QR : PQ = 1.28 cm, PR = 2.56 cm, PE = 0.18 cm and PF = 0.36 cm