Draw a trapezium where AB =6.5cm , CD =10cm, angle CAB = 45° , angle CBA = 75°
Answers
Answer:
Given:
AB
is parallel to
DC
, AB = 10 cm, BC = 5 cm, AC = 8 cm and CD = 6 cm.
Steps for construction:
Step 1 : Draw a rough diagram and mark the given measurements.
Step 2 : Draw a line segment AB = 10 cm.
Step 3 : With A and B as centres draw arcs of radii 8 cm and 5 cm respectively and let them cut at C.
Step 4 : Join
AC
and
BC
.
Step 5 : Draw
CX
parallel to
BA
.
Step 6 : With C as centre and radius 6 cm draw an arc cutting
CX
at D.
Step 7 : Join
AD
. ABCD is the required trapezium.
Step 8 : From C draw
CE
⊥
AB
and measure the length of CE. CE = h = 4 cm. AB = a = 10 cm, DC = b = 6 cm.
Calculation of area:
In the trapezium ABCD, a = 10 cm, b = 6 cm and h = 4 cm.
Area of the trapezium ABCD =
2
1
h(a+b)
=
2
1
(4)(10+6)
=
2
1
× 4 × 16
=32cm
2
Step-by-step explanation:
above is your answer
Step1:Draw a line segment AB=6.5 cm
step 2:Draw an angle of 45° at A on AB using protractor
step 3: Draw an angle of 75°at B on AB using protractor such that it intersects the earlier angle
at C
now
Case 1:of AB ll CD
Then draw a line parallel to AB passing through C then take length CD=10cm on that line
Join AD
Case 2: if BC ll AD
then draw a line parllel to BC passing through A
then draw an Arc takong 10 cm length from C cutting at D
join CD