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inn [45]
3 years ago
9

What is the surface area of this rectangular pyramid? 10 cm 10 cm 8 cm

Mathematics
1 answer:
Shkiper50 [21]3 years ago
8 0

Answer:

if l = 10 w = 10 h = 8 the answer is 288.68

Step-by-step explanation:

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Which group of three squares will form a right triangle when<br> joined at their vertices?
Ilia_Sergeevich [38]

Answer:

Option ?) 17 cm, 15 cm, 8 cm

<em>The assignment should have </em><em>four options</em><em> to choose from, but there is only a picture of two. </em>

Step-by-step explanation:

<em>None of the squares </em><em>shown</em><em> form a right triangle. To determine if sides form a right triangle, you use </em><em>this</em><em> formula:</em>

a²+b²=c²

<em>We are given two options in the picture.</em>

Option A) 18, 10, and 8.

Option B) 12, 9, and 6.

<em>So, now we need to apply the formula:</em>

Option A)

║8² + 10² = 18²

  ↓

║64 + 100 = 324

  ↓

║FALSE

Option B)

║6² + 9² = 12²

  ↓

║36 + 81 = 144

  ↓

║FALSE

<em>Both of these options are false.</em><em> But, I decided to look up this assignment to check my answer. It turns out, there are </em><em>4 options</em><em>, and you only had a picture of two. So, what's the answer?</em>

<em />

<em>There is an answer choice that shows 3 squares with the lengths of 17 cm, 15 cm, and 8 cm. </em><em>This is the correct answer</em><em>.</em>

<em />

<em>For proof, let's apply the formula:</em>

Option ?)

║8² + 15² = 17²

  ↓

║64 + 225 = 289

  ↓

║TRUE

<em>[Since the option isn't shown, I'll put a '?' so there is no confusion]</em>

8 0
3 years ago
What is the range of this function?<br> y =x + 1 - 8
diamong [38]

Answer:

range:  {y | y>= -8)

Step-by-step explanation:

We have a radical here.

y = root( x + 1)  - 8

y is defined as long as  x+1 >= 0

so domain must be x > -1

y values would start from -8

and go upward.

range:  {y | y>= -8)

7 0
3 years ago
A freight train completes its journey of 150 miles 1 hour earlier if its original speed is increased by 5 miles/hour. What is th
Alina [70]
The trains' original speed is 25 mph
6 0
3 years ago
Please help need answer asp
AleksAgata [21]
I hope this helps you



this triangle equilateral triangle


all interior angles same


all sides same


A+A+A=180


3A=180


A=60 degree same


60-60-60
5 0
3 years ago
Read 2 more answers
What is the area of this quadrilateral pls help i’ll mark brainlest
MissTica

Answer:

16+24= 40

Step-by-step explanation:

for the two triangles 1/2bh×2

for the rectangle 8×3

8 0
3 years ago
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