2 years ago

A triangle has a base 9cm and a perpendicular height 4.7 cm. work out the area of the triangle

Mathematics

2 answers:

sweet-ann [11.9K]2 years ago

6 0

Formula for triangle- 1/2(BxH)

1/2(9x4.7)=21.15cm

Nastasia [14]2 years ago

5 0

Answer: 21.15

Explanation:
Half base (4.5cm)X 4.7cm = 21.15
If I helped please mark me brainliest

You might be interested in

Heather had $89.50 in a bank account. She withdrew $10.25. What was her new balance?

dem82 [27]

Answer:

79.25

Step-by-step explanation:

7 0

3 years ago

PLEASE HElP WILL GIVE BRAINLIEST

marusya05 [52]

Answer:

there u go sweetie

Step-by-step explanation:

hope it helps

3 0

2 years ago

Help please asap will mark brainliest!

Andrew [12]

Answer:

VW = 7

Step-by-step explanation:

Because it is a parallelogram, UX = VW

x-4 = 2x - 15

11 = x

VW = 2 x 11 - 15

VW = 7

6 0

2 years ago

Read 2 more answers

Express 5.1146• 10^3 in standard notation

charle [14.2K]

Answer:

5,114.6

Step-by-step explanation:

5.1146 x 10^3 means move decimal point 3 to the right to get the answer

4 0

2 years ago

Aregular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius. Each of

katrin [286]

Answer:

The number of sides the polygon have 9

Step-by-step explanation:

Given in question as :

For The circle , the central angles measure be 40 °

Let the number of sides of polygon = n

Now . as we know

External angle = $\frac{360^{\circ} }{n}$

Or , 40° = $\frac{360^{\circ} }{n}$

Or, $\frac{360^{\circ} }{n}$ = 40°

So, n = $\frac{360^{\circ} }{40^{\circ}}$ = 9

Hence The number of sides the polygon have 9 Answer

7 0

3 years ago

A triangle has a base 9cm and a perpendicular height 4.7 cm. work out the area of the triangle​

A triangle has a base 9cm and a perpendicular height 4.7 cm. work out the area of the triangle