pls solve the question 3 and 4
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Answers
Two adjacent angles of a parallelogram are equal
(5x-5)=(10x-35)
5x-10x = -35+5
-5x= -30
X=6
Both are 25
Since rectangles are at right angles
Therefore by pythagoras rule
(Diag)^2= (10)^2+(24)^2
= 100 +576
=676
Diag = 26
Answer:
Step-by-step explanation:
3.ans-The sum of two consecutive angles of a parallelogram is equal to 180.
- Therefore. you have an equation
- (5x-5) + (10x+35) = 180.
-5x+10x-5+35=180
-15x+30=180
- 15x=180-30
- 15x=150
- x=150/15
- x=10
- Then calculate the angles 5x-5 and 10x+35.
- 5x-5 = 5*10-5 = 45
- 10x+35 = 10*10+35 = 135
- 45:135
- 45÷5/135÷5 = 9/27
- 9÷9/27÷9
- 1/3 = 1:3
- (a) 1:3
4.ans- By Pythagoras theorem
→ H²=l²× b²
→ 24.24 + 10.10
→ 576+100
→ H²=676
→ H= √676
→ H = 26
⇒ Therefore Diagonal of rectangle is 26 cm.