Question

5. In AABC, AC = 10 cm, BC = 5 cm and AL = 6 cm. Find:
(a) area of AABC
(b) length of BM

. Find QR, if area and altitude PS of ∆PQR are given.

(a) ar(∆PQR) = 180 cm2, PS = 15 cm
(b) ar(∆PQR) = 111 cm2, PS = 12 cm
7. Find the unknown term of the triangle.
(a) Area = 600 cm?, Base = ?, Height = 40 cm (b) Area = 131.25 cm2, Height = ?, Base
(c) Area = 18x2, Altitude = 6x, Base =
(d) Area = 24.6 cm2, Base = 6 cm, Altitu
The base of an isosceles triangle is 12 cm and its perimeter is 32 cm. Find its area.
RIMETER AND AREA OF A CIRCLE
know that a circle is a collection of all the points in
ne equidistant from a fixed point called its centre.
g. 11.17, O is the centre and OP is its radius.
is section, we shall learn about perimeter and
Perimeter of a Circle
Recall that the perimeter of a sim
is the distance moved along its
A circle is also a simple closed cu
of a circle is the distance moved
(circle itself) once. Perimeter of
fe​

Answer 1

Step-by-step explanation:

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