Question

solve question no. 5

Answer 1

area of the right angled triangle is 8m2
formula-
base into height into 1/2equals to area
4 into x into 1/2 equals 8
therefore x equals to 4m.
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Answer 2

base =4cm
area =8cm sq.
area =1/2*base*hieght
8= 1/2*4*H
8=2*H
H=4cm
in triangle ABC AB=4cm
AC=4cm
IN triangle ABC,
AB squared+AC squared = BC squared
(4)*square +(4)square=BC squared
16+16=BC squared
32=BC squared
BC =
$\sqrt{32}$
BC=
$4 \sqrt{2}$