Question

The length of the base of a triangle is 8.2 cm The area of the triangle is .77 cm ^ 2 Shen works out that the perpendicular height of the triangle is 7.9 ,

A) Without using a calculator , explain how you can tell that Shen is wrong

B) Work out the perpendicular height of the triangle

C) What mistake do you think Shen made?

Answer 1

Answer:

Step-by-step explanation:

We have,

base=10 cm

height=8 cm

We know that

Area of triangle =

2

1

​

× base × height

=

2

1

​

×10×8

=40 cm

2