3 years ago

Use the net to find the surface area of the regular pyramid. I’ll mark brainliest if correct

1 answer:

4 0

Answer: surface area = area of BASE + 1/2 × perimeter of base × slant HEIGHT.

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Arisa [49]

Answer:

Step-by-step explanation:

Area of fig 1 = 1 x b = 7 x 4 = 28

Area of fig 2 = l x b = (7-2) x 3 = 5 x 3 = 15

Area of fig 1 = 1 x b = 7 x 4 = 28 (same as ig 1)

Area of whole fig = fig 1 + fig 2 + fig 3 = 28+15+28 = 71

I hope im right !!

6 0

2 years ago

vovangra [49]

The answer is c because every quadrilateral adds up to 360 so when you add all the numbers you get 290 and when you subtract 360-290 is 70.

3 0

3 years ago

denpristay [2]

Answer:

B. 7√3

Step-by-step explanation:

30-60-90 triangles have special side proportions that would be very beneficial to memorize because I guarantee you will use it in the future.

Please see the attached image.

The answer is 7*√3=7√3

6 0

3 years ago

vlada-n [284]

Answer:

a) 3/5=12/20

b)5/6=25/30

8 0

3 years ago

telo118 [61]

Answer: The top left one is -3, 6 bottom right is -6, 3

Step-by-step explanation:

3 0

3 years ago