Not true, at least not always. When we are talking about an isosceles triangle there will be two equal altitudes and one is different. In case of a regular triangle all the other three altitudes have equal length! :)
Final Answer: 
Steps/Reasons/Explanation:
Question: Solve
.
<u>Step 1</u>: Simplify
to
.

<u>Step 2</u>: Regroup terms.

<u>Step 3</u>: Add
to both sides.

<u>Step 4</u>: Simplify
to
.

<u>Step 5</u>: Multiply both sides by
.
× 
<u>Step 6</u>: Simplify
×
to
.

<u>Step 7</u>: Divide both sides by
.

<u>Step 8</u>: Simplify
to
.

<u>Step 9</u>: Switch sides.

~I hope I helped you :)~
Answer:
7500 kg
Step-by-step explanation:
t = tonnes

Answer:2
Step-by-step explanation:
Answer:
When given a percentage of growth or decay, determined the growth/decay factor by adding or subtracting the percent, as a decimal, from 1. In general if r represents the growth or decay factor as a decimal then: b = 1 - r Decay Factor. b = 1 + r Growth Factor. A decay of 20% is a decay factor of 1 - 0.20 = 0.
Step-by-step explanation: