A taxi travels for 126 km from Seremban taxi station at 9:15 morning and reach the Shah Alam taxi station at 10:45 morning. Calculate the average speed, in km h, of the whole journey of the taxi.​

Given:

Taxi travels for 126 km.

Starting time = 9:15

Reaching time = 10:45

To find:

The average speed, in km/h.

Solution:

We have,

Distance = 126 km

Time = 9:15 to 10:45

        = 1 hour 30 minutes

        = 1.5 hour                        [1 hour = 60 minutes]

We know that,

Therefore, the average speed to the taxi is 84 km/h.

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.