Question

construct issoseles triangle PQR such that it's base is QR=5.4cm and altitude PD=3.9cm​

Answer 1

5.4x3.9 answer is this

Answer 2

bro it's easy to construct a isosecles triangle

.isosecles means that 2sides are equal whereas 1side is different in size

draw the base as 5.4cm

draw a arc of 3.9 cm from either side of Q and R .

two arcs will meet in one point .

draw a line segment from the arcs and it will be the altitude of the triangle

join the points Q and R to the altitude.

u r isosecles triangle is ready.